Specification:

Bluetooth: Version 2.0 compliant

Bluetooth Profile Supported: Headset and Handsfree Profiles

Frequency Range: 2.4GHz spectrum

Working Distance Range: 10 Meters (class 2)

Dimensions (main unit): 115(L)×62(W)×21(T)mm

Weight (main unit):110g

DSP: Full duplex transmission, noise suppression and echo cancellation.

Charging Time: Within3 hours

Talking Time: Up to 13 hours

Standby Time: Up to 200 hours

Rechargeable Battery: Lithium-ion, 3.7V, 1000 mAh installed

Battery Protection: Over charge and over discharge protection

Input Current:  400mA  (intimal  controlled)

Input Voltage: DC 5V