Highlights :
1. MINI USB charging slot
2. Built-in Mic for hands-free phone call
3. The intelligent voice prompt
Specifications :
Bluetooth version : BT 3.0
Frequency response : 100HZ-20KHz
Bluetooth distance : Within 10M
Power : 4Ω 3W
Battery : 180mAh/3.7V
Charging voltage : DC 5V-500MAH
S/N Ratio : ≥75db
Charging time : About 2.0H
Color : Black , White , Red , Yellow , Blue , Green
Dimensions : 26.8mm X 26.8mm X 28.5mm
Weight : 19g