Details H9 Description - 1. Bluetooth-compatible 5.0 - It uses a high-performance Bluetooth 5.0 smart chip to make the connection simple; fast and stable. The connection range is up to 10m. 2. Long Endurance - Built in 1500 mAh high-capacity battery; it only takes 2h for charging and can play music continuously for about 8-10hours; the standby time is up to 99h. 3. Multiple Connection Methods - Support TF card playback; U Disk playback; AUX audio cable connection playback; Bluetooth connection p