[HI-FI Sound Quality] Unique bass technology, whether it is connected via Bluetooth, MP3 playback or AUX connection, you can enjoy amazing high-quality sound quality through this portable wireless device. speaker. Suitable for children, adults, parties, yoga.[Long battery life and easy charging] Built-in 2200mAh.The rechargeable battery guarantees up to 12 hours of music playing time; it can only last for 120 hours under lighting. Easily charge via USB cable, the charging time is 3 hours, and the clock is displayed on the screen.[Wireless listening, hands-free function] 4.2 wireless listening, 10m.spread. Suitable for smartphones, Pads, Pod and any other devices that support Bluetooth. Speaker and microphone. While your smartphone is connected, whether in the car, bathroom or office.