BE58 1. Material: ABS. 2. Total length: 91cm. Weight: 21g. 3. BT v5.3. Chip: JL AC7003. 4. Battery capacity: 130mAh, charging for about 2 hours. 5. Use time: 15 hours. Standby: 200 hours. 6. Support Chinese and English prompts, double-click the multi-function button in the unpaired state, there will be a prompt sound. BE45 1. Material: ABS 2. The cable is 90cm long, weight: 21g 3. Bluetooth version: 5.0, chip: BK 3266 4. Battery capacity: 130mAh, charging time: about 2 hours 5. Talk/music: 10 hours 6. Standby time: 200 hours 7. Large capacity battery, long battery life
