--- product_id: 670920732 title: "E40 Portable Water Flosser for Teeth: 10 Pressure Settings Professional Water Dental Pick for Orthodontic, Braces & Sensitive Gums - Cordless for Travel Use, for Adults Teens, BPA-Free" brand: "coslus" price: "฿2945" currency: THB in_stock: true reviews_count: 8 category: "Coslus" url: https://www.desertcart.co.th/products/670920732-e40-portable-water-flosser-for-teeth-10-pressure-settings-professional store_origin: TH region: Thailand --- # 300ml large water tank 10 adjustable pressure levels 30-day battery life E40 Portable Water Flosser for Teeth: 10 Pressure Settings Professional Water Dental Pick for Orthodontic, Braces & Sensitive Gums - Cordless for Travel Use, for Adults Teens, BPA-Free **Brand:** coslus **Price:** ฿2945 **Availability:** ✅ In Stock ## Summary > 💦 Elevate your smile game—because your teeth deserve the VIP treatment! ## Quick Answers - **What is this?** E40 Portable Water Flosser for Teeth: 10 Pressure Settings Professional Water Dental Pick for Orthodontic, Braces & Sensitive Gums - Cordless for Travel Use, for Adults Teens, BPA-Free by coslus - **How much does it cost?** ฿2945 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.co.th](https://www.desertcart.co.th/products/670920732-e40-portable-water-flosser-for-teeth-10-pressure-settings-professional) ## Best For - coslus enthusiasts ## Why This Product - Trusted coslus brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Waterproof & Durable:** IPX7 waterproof rating means you can floss confidently in the shower, backed by a motor built to last twice as long as competitors. - • **Safe & Smart Materials:** BPA-free, safety-certified construction ensures a clean, healthy routine you can trust every day. - • **Travel-Ready Oral Care:** Cordless, compact design with USB fast charging keeps your smile fresh anywhere—office, gym, or globe-trotting. - • **Family-Friendly Multi-Use:** Interchangeable nozzles and a large 300ml tank support multiple users, making it the ultimate shared oral hygiene upgrade. - • **Tailored Clean, Every Time:** 10 stepless pressure settings let you customize your flossing experience from gentle to powerful—perfect for sensitive gums or braces. ## Overview The COSLUS E40 Portable Water Flosser offers 10 customizable pressure settings, a large 300ml water tank, and a cordless, travel-friendly design with up to 30 days of battery life per charge. Featuring patented dual-flow technology and IPX7 waterproof durability, it’s engineered for effective, gentle cleaning suitable for braces, sensitive gums, and the whole family. BPA-free and safety-certified, this flosser combines professional-grade performance with convenience and style. ## Description desertcart.com: COSLUS E40 Portable Water Flosser for Teeth: 10 Pressure Settings Professional Water Dental Pick for Orthodontic, Braces & Sensitive Gums - Cordless for Travel Use, for Adults Teens, BPA-Free : Health & Household Review: Great product! - This is a game changer! My dental hygienist recommended a water flosser. I'd only known of the large tank ones. This is portable, holds just the right amount of water for a single flossing, rechargeable, easy to use, effective, and leaves my teeth with that dental clean feeling! I actually look forward to flossing! And I bought 3 as gifts! Review: Powerful, Adjustable, and Great for Travel - I’ve been using the COSLUS E40 Portable Water Flosser for a short time now, and the performance has been impressive. The 10 pressure settings make it easy to customize depending on sensitivity, especially if you have braces or sensitive gums. Even on the mid-range settings, it provides a strong, steady stream that feels effective at removing debris between teeth. It gives a much cleaner feeling compared to traditional floss alone. The cordless, portable design is a major plus. It’s compact enough for travel and doesn’t take up much counter space. The water tank is easy to fill and clean, and the controls are simple to use. I also appreciate that it’s BPA-free, which adds peace of mind for something used daily. The battery life has been solid so far, lasting multiple uses before needing a recharge. ## Features - Advanced 10 Pressure Settings for Personalized Cleaning: The COSLUS E40 cordless water flosser features 10 precise pressure levels, allowing users to easily adjust the water flow to match their unique oral sensitivity and cleaning preferences. Whether you have braces, orthodontic appliances, sensitive gums, or are buying for kids, teens, adults, women, men, or seniors—this flosser is designed to suit everyone in the family. The innovative stepless dial control works just like adjusting your phone’s volume, enabling smooth, one-handed pressure changes from level 1 to 10. Fine-tune the water pressure in real time without pausing your routine, for a truly comfortable cleaning experience - Advanced Research, Trusted Quality: Developed over six years by the COSLUS R&D team, this product features patented dual-flow technology for enhanced cleaning power and broader coverage. It effectively cleans stains and interdental deposits, addressing the needs of most users. Constructed with BPA-free, safety-certified materials, it provides a scientifically-backed, safe, and durable oral care experience - Ideal For Travel​​: The COSLUS E40 cordless water flosser features a compact, portable design, making it ideal for daily home use, office work, travel, and business trips. Equipped with a high-performance battery, a single charge provides up to 30 days of continuous use (based on 1-2 daily uses). The included USB fast-charging port ensures effortless maintenance of oral care routines both at home and on the go - Customizable Nozzle System: Comes with a variety of functional nozzles—including standard, orthodontic, and periodontal tips—to meet the needs of different users. Whether you wear braces, have sensitive gums, or seek deep cleaning, you’ll enjoy a targeted and comfortable oral care experience. Equipped with a 300ML large-capacity water tank, which allows for longer use without frequent refilling, making it more suitable for thorough, full-mouth cleaning and an efficient flossing experience. Supports multi-user sharing, making it especially ideal for family use and daily oral care routines - Ipx7 Waterproof & Long-Lasting Durability:​​ COSLUS E40 portable water flossers for teeth feature an IPX7 waterproof design, making them convenient to use even in the shower. The upgraded motor delivers a reliable and steady water flow, helping to improve the removal of surface stains and support oral care​​. With a lifespan twice as long as other products, it effortlessly handles daily use and routine cleaning, ensuring a more comfortable user experience - Note: Adapter is not included to avoid wasting resources, but you can charge it using any 5V adapter on hand. If need, get from COSLUS. NOTES: Packaging may vary (new or old), but the contents are exactly the same ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0D7VK6DNL | | ASIN | B0D7VK6DNL | | Additional Features | Multiple Operation Modes, Multiple Pressure Settings, Multiple Tips, Battery Indicator, Display Screen, Rotatable Tip, Non-Slip Grip, Noiseless, Portable, Cordless, Rechargeable | | Batteries | 1 Lithium Ion batteries required. (included) | | Best Sellers Rank | #8,599 in Health & Household ( See Top 100 in Health & Household ) #27 in Power Dental Flossers | | Brand Name | COSLUS | | Color | Pink | | Customer Reviews | 4.4 4.4 out of 5 stars (4,518) | | Item Dimensions | 9.37 x 3.35 x 2.35 inches | | Item model number | E40 | | Manufacturer | COSLUS | | Manufacturer | COSLUS | | Manufacturer Part Number | E40 | | Manufacturer Warranty Description | 1-year warranty, 24-hour after-sales service, Free 30-day refund / replacement | | Material Type | Plastic | | Model Name | coslus_f5020e | | Model Number | E40 | | Power Source | Battery Powered | | Product Benefits | Gum Health, Prevents Bad Breath, Prevents Cavities, Removes Plaque, Smile with Confidence | | Product Dimensions | 9.37 x 3.35 x 2.35 inches; 15.52 ounces | | Recommended Uses For Product | Brace Cleaning, Daily Cleaning, Deep Cleaning, Family Care, Gum Care, Home, Office, Orthodontic Care, Plaque Removal, Food Debris Cleaning, Efficient Cleaning, Tight Teeth, Sensitive Gums, Teeth Cleaning, Whiten Teeth | | Specification Met | IPX7, FCC, BPA free, ETL | | Tank Volume | 300 Milliliters | | Target Use Body Part | Teeth | | Unit Count | 1 Count | ## Product Details - **Brand:** COSLUS - **Power Source:** Battery Powered - **Product Benefits:** Gum Health, Prevents Bad Breath, Prevents Cavities, Removes Plaque, Smile with Confidence - **Unit Count:** 1 Count ## Images ![E40 Portable Water Flosser for Teeth: 10 Pressure Settings Professional Water Dental Pick for Orthodontic, Braces & Sensitive Gums - Cordless for Travel Use, for Adults Teens, BPA-Free - Image 1](https://m.media-amazon.com/images/I/71avodXENpL.jpg) ## Available Options This product comes in different **Color** options. ## Questions & Answers **Q: The product details mention an upgraded patented stepless speed regulation. How does it different from other models?** A: The new water dental flosser has a 1 to 10 rotary dial that can be easily changed **Q: How long does it last on a single charge?** A: One charge lasts for 30 days, making it very convenient for travel and business trips. **Q: Where can I get replacement nozzles?** A: You can find it on the product details page. When I bought the flosser before, I bought the nozzle by the way. It is very suitable and it is the original accessory. **Q: Is the charging adapter included in the package?** A: Note: Adapter is not included to avoid wasting resources, but you can charge it using any 5V adapter on hand. If need, get from COSLUS **Q: Is its water pulse intensity adjustable for sensitive gums?** A: This newly developed stepless speed regulation water dental flosser features 10 levels of smooth control, allowing you to freely adjust the pressure find the setting that suits you best. It's designed to be suitable for everyone. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Great product! *by N***N on January 31, 2026* This is a game changer! My dental hygienist recommended a water flosser. I'd only known of the large tank ones. This is portable, holds just the right amount of water for a single flossing, rechargeable, easy to use, effective, and leaves my teeth with that dental clean feeling! I actually look forward to flossing! And I bought 3 as gifts! ### ⭐⭐⭐⭐⭐ Powerful, Adjustable, and Great for Travel *by A***. on March 3, 2026* I’ve been using the COSLUS E40 Portable Water Flosser for a short time now, and the performance has been impressive. The 10 pressure settings make it easy to customize depending on sensitivity, especially if you have braces or sensitive gums. Even on the mid-range settings, it provides a strong, steady stream that feels effective at removing debris between teeth. It gives a much cleaner feeling compared to traditional floss alone. The cordless, portable design is a major plus. It’s compact enough for travel and doesn’t take up much counter space. The water tank is easy to fill and clean, and the controls are simple to use. I also appreciate that it’s BPA-free, which adds peace of mind for something used daily. The battery life has been solid so far, lasting multiple uses before needing a recharge. ### ⭐⭐⭐⭐ Hard to beat for the price! *by P***K on December 4, 2025* The function of the flosser works fine but like other reviews that I read the weak point is the swivel wheel at the top for higher or lower pressure it tightens over time and use where it makes it difficult to spin that to your desired setting also the weak point on the unit is definitely the charging port and the rubber insert what's tends to get wet even after one use I've mitigated some of the damage by taking a q-tip with some Vaseline around the edge of the rubber insert. You're good? Battery life excellent functionality of the actual flosser to floss excellent. The price excellent. Use it drain it turn it on and clear the water out of the top without the nozzle and serve it and dry off the charging port and leave it open between uses close it before the next use try to avoid getting water around the charging port otherwise throw it away and buy another one for the price you can get three to one for the more expensive chargers and for that it deserves four stars. ## Frequently Bought Together - COSLUS Water Dental Flosser Teeth Pick: Portable Cordless Oral Irrigator 300ML Rechargeable Travel Irrigation Cleaner IPX7 Waterproof Electric Flossing Machine for Teeth - COSLUS Electric Toothbrush for Adults and Teen: Wireless Rechargeable Tooth Brush for Adult and Teen Youth with Portable Travel Case, 5 Modes 47000 VPM Power Toothbrushes 6 Brush Heads Pink - COSLUS Water Dental Flosser Pick for Teeth: 4 Modes Cordless Portable 300ML Larger Tank Water Teeth Cleaner IPX7 Waterproof Flossing Cleaning Picks for Home Travel FC5360 --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.co.th/products/670920732-e40-portable-water-flosser-for-teeth-10-pressure-settings-professional](https://www.desertcart.co.th/products/670920732-e40-portable-water-flosser-for-teeth-10-pressure-settings-professional) --- *Product available on Desertcart Thailand* *Store origin: TH* *Last updated: 2026-04-28*