1) bluetooth version: V1.2
2) core asic: Csr bc04
3) talk time: 4 hours.
4) standby time: 110 hours
5) broadcasting range: Up to 30 feet 10m
6) audio code: Single audio
7) frequency: 2.4ghz ism band
8) bluetooth profiles supported: Handsfree 1.0 and headset 1.1
9) transmitter power: Class 2
10) connection: Point to point
11) security: Security encrypted
12) power consumption: 30mah (working), 1mah (standby)
13) battery: Li-ion 120 mah
14) dimension (l x w x t): 43 x27 x 17mm
15) weight: 14g
16) color: Silver, pink and black
17) operating temperature: -10 degrees to 45 degrees.
18) others: Automatic reconnection at power on and disconnection at power off