* Carrier Frequency: 2. 4~2. 480GHZ
* Bluetooth Class II, up to 10 meters (in open space).
* Radio Performance: Rx sensitivity < -80 dBm
* Spread Spectrum: FHSS (Frequency Hopping Spread Spectrum)
* Bluetooth Profile Supported:
A2DP (Advanced Audio Distribution Profile)
AVRCP(Audio Video Remote Control Profile)
HFP (Hands-Free Profile) 1. 2
HFP (Hands-Free Profile) 1. 1
* Input Power: 5V, 200~500mA, AC adapter
* 3. 7V 120mA Li-Polymer Rechargeable battery
* Operating Temperature -10 degree ~ +55 degree