1. BT: 5.0 Jerry 6956A
2. Headphone battery: 400 mAh
3. Continuous music playback time: 45 hours
4. Flashlight time: 12 hours
5.Standby time: 100 hours
6.Charging time: 2 hours
7. Speaker: φ10mm/ 6 u
8.Input interface: USB interface
9. Function: answering/hanging up/redialing/switching up and down song/plus and minus volume adjustment
10. 100PCS/CTN, Carton Size:62*34*37 cm,8KG/CTN
Features: flashlight lighting, magnetic headphone head, soft tape card