Smart Dual Bluetooth Music Boxing Machine Electronic Sandbag With Mobile Phone Holder

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1. Built-in 2500 mAh battery, use it after charging is completed, it lasts for 10 hours, and it takes about 2 hours to fully charge2. Dual Bluetooth model, you can freely switch the songs on the mobile phone to play on the boxing machine3. After connecting to the Bluetooth of your mobile phone, you can view data such as punch speed/power/number of combos etc.4. With retractable...