1, Bluetooth Handsfree car kit the latest bluetooth version: V2.1 + EDR New Bluetooth Handsfree Car Kit  Handsfree Wireless Microphone Bluetooth Speakerphone Driving Safer Car kit

2, working frequency range: ISM frequency band (2.4 ~ 2.48 GHZ)

3, a wireless connection range up to 10 meters

4, support Hands - Free, Headset bluetooth protocol specification

5, support for matching two phones at the same time, up to eight pairing bluetooth phone memory. (unique technology can support both phones connected online standby)

6, built-in DSP function of noise reduction and echo cancellation (special noise reduction processing let you open the window under 120 yards high speed can also clear on the phone!)

7, 2 w speakers, equipped with high fidelity and high sensitivity microphone

8, battery type: lithium-ion battery, 3.7 v, 650 mah

9, talk time: 10 to 12 hours

Standby time: 500 hours

Charging time: 2 ~ 3 hours