Smart Dual Bluetooth Music Boxing Machine Electronic Sandbag With Mobile Phone Holder DAJA Frequency response: 100Hz-12KHz

Frequency response: 100Hz-12KHz

Material: PC+ aluminum alloy

- Razor x 1

Working temperature 0 degrees to 70 degrees

Smart Dual Bluetooth Music Boxing Machine Electronic Sandbag With Mobile Phone Holder DAJA Frequency response: 100Hz-12KHz1. Built in 2500 mAh battery, use it after charging is completed, it lasts for 10 hours, and it takes about 2 hours to fully charge 2. Dual Bluetooth model, you can freely switch the songs on the mobile phone to play on the boxing machine 3. 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 mobile phone holder, more convenient to use 5. Matte PU leather