Description BOROFONE BE57 Charm air conduction wireless earphones, BT V5.2, 180mAh battery for 6 hours of use and 120 hours of standby 1. Material: ABS. 2. BT 5.2. Chip: blue trum 5616B. 3. Battery capacity: 180mAh. Charging time is about 2 hours. 4. Use time: 6 hours. Standby time: 120 hours. 5. Sizes: 130*100*50mm. Weight: 19g. 6. Support Chinese and English prompts, when not connected, double-click the function key.
