1. Material: ABS+UV 2. Bluetooth Version: V4.1 3. Working Distance: 10-20 metres 4. Working Time: 8-10 hours 5. Standby Time: 60 hours 6. Battery: Li-poly 800mAh 7. Comforyable to wear the headset for a long time without pain. 8. Package Include: - BTH-803 Headset x 1 - Charging cable x 1 - User manual x 1