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⛳ Elevate your swing, own the course — data-driven golf mastery starts here!
The Voice Caddie SC300i Launch Monitor is a portable, Doppler radar-based golf swing analyzer offering ±3% ball speed accuracy and real-time voice feedback. It measures key metrics including swing speed, ball speed, carry distance, launch angle, apex, and smash factor. With 12-hour battery life and seamless integration with the MySwingCaddie app, it empowers golfers to practice anywhere while tracking performance trends for continuous improvement.









| ASIN | B0914JC67B |
| Best Sellers Rank | #35,585 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #133 in Golf Swing Trainers |
| Brand Name | Voice Caddie |
| Color | Black |
| Country of Origin | Republic of Korea |
| Customer Reviews | 4.2 4.2 out of 5 stars (539) |
| Date First Available | March 25, 2021 |
| Included Components | SC300i/Remote/USB Cable/USB Cover/User Manual |
| Item Dimensions LxWxH | 8 x 6 x 4 inches |
| Item Package Dimensions L x W x H | 9.33 x 6.22 x 2.24 inches |
| Item Weight | 1.6 Pounds |
| Manufacturer | Voice Caddie |
| Material | Plastic |
| Model Name | Swing Caddie SC300i |
| Model Year | 2021 |
| Number of Items | 1 |
| Package Weight | 0.79 Kilograms |
| Part Number | SC300i |
| Skill Level | Advanced |
| Sport Type | Golf |
| Style | SC300i |
| Suggested Users | unisex-adult |
| Warranty Description | 1 year manufacturer (from date of purchase) |
D**W
Great training tool.
I really like this thing! I also have the Garmin R10 (for a few years) - it's pretty good, but I don't think it's all that accurate and limits in stats with the native (Garmin) app; you have to buy/subscribe to 3rd party apps to get more swing info. Anyhow ... I was originally looking at the SwingCaddie, but decided on this one mainly because I like to see the Apex and a few other stats that the lower-end model doesn't track. I'm glad I did! This is easy to setup (all I did was enter my club info), turn it on, chose my club on the device and it started tracking my hits. I downloaded the app to view my session afterwards and it shows much more info than what you see on the launcher screen - a bonus! I especially like the Target mode; it gives purpose to the range and easy to know what you’re doing in distance/muscle memory for approach shots. Being a radar-based device, Smash Factor & spin rates cannot be reliably counted on with this device. But, this is splitting hairs as the price for this launcher is well worth the other measurements. The only things I wish are: 1. Carry case. The lower-end comes with one, why not this one? 2. Being bluetooth capable, it would be nice to allow you to playback sound through earphones (on a public range, I'm sure the yardage call outs will be a distraction to others) All in all, this is a keeper!
S**F
Huge value
I recently picked up the Swing Caddie SC300i, and it has exceeded my expectations. The portability is incredible—super easy to throw in the bag and set up anywhere, whether I’m on the range or practicing at home. For its size and price, the accuracy is impressive and gives me the numbers I actually need to work on my game. The app integration is a huge bonus. It tracks all my shots in a clean, intuitive way, making it easy to see trends and monitor progress over time. Being able to review my data after a session has already helped me make smarter adjustments to my swing. Overall, the SC300i is a great value and an awesome training tool. If you’re looking for a reliable, portable launch monitor, this one is absolutely worth it. 5 stars.
G**A
This will help you improve and that's the bottom line.
Bought this on sale, so I feel like the value was very good for the accuracy and data provided. I'd hoped it would work for baseball bat swings too, and I think I've figured out the correct height. Placed it on a box that's about 10" tall and it was picking up my swings perfectly. About the only issue I've had is the app. It's really deceptive, stating that it collects and shares no info with 3rd parties on Play Store. I also tried to read the Privacy Policy before downloading the app, but it would only pop up in Korean. I guess you could copy and paste for translation, but didn't think the Play Store would allow obvious deception, so I downloaded it. That's when you realize they have plans to share most everything with 3rd parties. Additionally, you have to be connected to a network and enable location in order to connect it to your device or to even view your data at all. That's been the most frustrating issue besides the .0001 font size in their directions, but the manual is easy to find online and I'm using an old tablet so I'm not concerned. You might want to consider the implications and if you choose to record video, it wants video and audio permission as well. Correct those issues and it would be 5 stars from me. The unit is heavy, thanks to the internal battery, but since I just hit into a net at home, or set it up at the range, it's perfect for me. I get swing speed, height and distance values that are very useful at the course. The lithium battery life is excellent. The remote is also an great idea that I keep in my pocket while practicing. It's so easy to switch modes or clubs without ever touching the unit. One surprise for me is how much I appreciate the announcement of either carry or total distance. I thought I'd just turn the volume off, but I really love when you're in a groove and you just keep popping more pills down the range while it confirms your visual results. The accuracy has been very good in my opinion. This unit is not as easy to read in the sunlight though as it is angled in a way that you have to bend down to see it clearly. Maybe I will try tilting it back a touch and see if that helps. The app is just ok, nothing amazing, and it does want to connect to your network every time. That basically rules out using the app when you're at the driving range, unless you tie into their wifi. Privacy anyone? I may try using the video mode to see if it's useful, but I'm annoyed with these sharing aspects. Haven't decided that's important as I already video in slow motion with my phone and that has been VERY helpful. Realized my posture and setup angles were not good and fixing those has really helped my consistency. The most helpful part of the app is graphing each club's average distances and lining up a list of your clubs/distances. These bar graphs make it an excellent tool to track your expected yardage per club, helping you make the correct choice on the course. With all that said, this is a great tool for understanding the most impactful part of your swing....the speed and the contact. A few mph more makes a big difference and this reinforces that immediately during practice.
J**O
Excelente. Gran producto.
F**O
Great Caddie Machine ! Easy to operate and provide useful data on your swing.
J**J
This device is surprisingly accurate. When compared to Top Tracer equipped ranges and a range finger it’s within 1 yard of accuracy out to 150 yards. I have found this device very helpful with my wedge practice for judging power/distance.
匿**名
【追記3】 半年間これを使用して、各々のショットの質を評価しながら練習していました。 ショットの総数はかれこれ4000ショットほどのデータがたまりました。 そこへAIの進歩が!!! Geminiが、スプレッドシートの分析を『無料』でやってくれるようになりました。 試しに、これで収集したドライバーショットのデータ分析を行いました。 CSVファイルに出力し、Geminiに分析してもらいました。 (それが添付の頻度分布図です。左の方を含めると、正規分布にならないそうです。笑) 標準偏差の算出もできるので、 (平均ー標準偏差)~(平均+標準偏差)が、どういう範囲になるのかわかります。 つまり、サンプルが多数の中で、(調子のいい日のデータだけではなく、笑)、 68%確率でどのようなショットが打てるのかという分析ができるようになりました。 ただ、スイング改造中なんです。笑 チョロがいっぱいある。笑 ***************************************** 【追記2】 私が右打ちで、左打ちと向き合って練習していました。 このセンサーは、向かいの左打ちのショットのデータを計測していました。笑 なので、ドップラーレーダーが発射した電波が向かい側の打席に飛ばないように、 箱を置きました。 そうしたら、自分のショットだけを計測するようになりました。笑 ****************************************** 【追記】 iPhoneとペアリングすると、データが随時同期され、都度ショットのデータを確認できます。 androidとペアリングすると、なぜかナイスショットのデータのうち、上位いくつかのデータが消去されます。 ドライバーで確か235ヤードのキャリー&5Iで170ヤードのキャリーなんて、珍しいものですから、大喜びしたのですが、練習後データを見ると消えています。 ただ、235ヤードのショットですが、目視では225ヤードほどだったと思います。 そんなこんなで、くれぐれも絶対値としてはあてになりません。 ただ、7月に購入して、半年。3000球打ちました。(これを使えない練習場でも3000球かも?笑) 母数の大きな統計が取れているので、クラブ毎の平均飛距離は貴重なデータだと思っています。 ************************************* そもそも、データを『重視』したいなら、もっと多額の投資がされた練習場の弾道計測器を使うべきだと思います。 千葉在住の60歳です。 近くにコースボールを使用し、ボールの落下地点まで見える練習場があります。 (まぁ、ボールに多少の傷はありますが・・・。) 飛距離の要素が、ボールスピードと打ち出し角とバックスピン量だそうなので、 この機器を使い、1スイングごとに上記の3要素について確認したかった。 方向や曲がりは目で確認すればいいかなと思っています。 そうすれば、もう少しスイングをナイスショットに収束していけるのではないかと。 (老化という悲哀を見せつけられてしまうかもしれません。笑) これの前にヘッドスピード計も購入していました。 同じショットを2つの機器で測ったヘッドスピードには3~5m/sの誤差があります。 なので、ヘッドスピードの絶対値を計測するのはムリでしょう。(なので★4つ) 飛距離は同じくらいです。ヘッドスピードとボールスピードは小さめに出ると思います。 1日の練習の中で1球ごとのショットの差を表示する目安と考えて使うと有用なのかなと思っています。ボールスピードと打ち出し角とバックスピン量には標準値のようなものがあるようなので、1球ごとに質の良いショットにまとめていくよう練習しようと考えています。 まぁ、ドップラーレーダー式弾道計測器で飛距離を測定しても、風や気圧や雨まで考えてくれるわけではありません。実際にコースでの飛距離は、その時の状況によるわけだから、正確でなくてもいいのかもと思っています。コースを回るときに必要なのは、次のショットの距離であり、打ち終わったショットがどれだけ飛んだのか?ではないと思います。(カメラ式弾道計測器なら、ショットの結果をトレースするのかな?) 息子は5万円の弾道計測器より、ドライバーを買えば?と言われました。 キャロウェイのERC(千円!:15年落ち?の中古)を使っています。笑 私は、最善のスイングができた時、それに合ったクラブを買いたいと思うのです。 (高いクラブは買ったことない。安いクラブはたくさん買った。今考えれば、そのクラブを買った意味がわからない。笑) あくまで趣味なので、どこまでやるのか?もありますが・・・。 とりあえず、この機器まではやってみようかと。 まぁ、これが第一印象というところです。
H**S
Highly recommend the sc300i. Small enough to travel in my stand bag. The large screen is easy to read and no phone/tablet needed at the range. Used it on the range and compared results with toptracer and results were very good. Lots of battery (10 hrs). Easy to setup. The remote is very convenient for changing clubs and practice modes.
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