1. Bluetooth 5.3; Chip: JLAC7003F4 2. battery capacity: 400mAh; Charging time: 2 hours 3. use time: 46 hours; Standby time: 200 hours 4. size: 190*169*80mm; Weight: 163g 5. support Bluetooth, AUX and other modes 6. Prompt tone in English and Chinese is supported: Double click the power button in unpaired state.
