Parameters:
1. Main material: aluminum alloy
2. Bluetooth version: 4.2
3. Size: Headphones: 20*23MM, Machine: 20*86MM
4. Net weight: 23g
5. USB output: DC5V; 2.1A
6. Battery capacity: 3.7V; 25mAh
7. Talk time: 1.5 hours
8. Charging time: about 1.5 hours
9. Distance: 10 meters

Features:
1. The headset is automatically charged, not easy to lose
2. When you take out the earphone, you can automatically answer the phone, and when put back,it will automatically hang up
3. German Red Dot Design Awards

The package contains:
1. Q8*1
2. Instruction manual *1
3. Dedicated data line *1
4. Small ear cap *2
5. Big ear cap *2