bluetooth car kit USD11 only for handsfree

Bluetooth compliance: Bluetooth 2.0
Bluetooth profile Supported: Hans-free and Headset
Frequency Range: 2.4GHz Spetrum
Maximum working distance: 10 Meters
Demensions(Body size): 115(L)x62(W)x21(T)mm
Net Weight: 110g
Charging time: Within 3hours
Battery type: Rechargerable Lithium Lon,3.7V,1000MA
Imput current: 400MA
Input Voltage: DC5V
Maximum power of the loundspeaker: 2W
The resistance of the loundspeaker: 4 ohm
Sensitivity of the Microphone: -47 DB

bluetooth car kit USD11 only for handsfree