Specifications:
1) Compliant with Bluetooth V1.2
2) Supports headset and hand-free profiles
3) Operation range: 10m (33 feet)
4) Weight: 10g
5) Talk time: up to 7 hours
6) Standby time: up to 300 hours
7) Battery: Li-polymer battery, 130mAh
8) Optional colors: black, white, red

Features:
1) Wire-free: based on Bluetooth technology, release your hands
2) Easily wearing: super-thin clip design for easily wearing
3) Excellent cost performance: superior quality and performance
    take your time to enjoy Bluetooth life