1, Work voltage :3.6-4 .2 V

2, Work current: <30mA (Bluetooth module)

3, Work current: <400mA (power amplifier, Bluetooth )

4, Standby current: <3mA

5, Scope: <10 meters of wireless communication (consistent with the Bluetooth protocol specifications CLASS 2) 

6, Transmit power: Class2   less than 4dbm, low radiation.

7, Spread spectrum: Frequency Hopping Spread Spectrum

8, Bluetooth version: compatible with V2.1, V2.0, V1.1 and V1.2 standard.

9, Bluetooth protocol support: A2DP, AVRCP

10, Frequency range :2.401-2 .480 GHz (2.4GHz ISM Segment)

11,The receiver sensitivity: <-90dBm, BER <0.1%

12, SNR: 95dB

13, Distortion: <0.2%

14, Frequency Response: 20HZ-20kHZ

15, Operating temperature: -10 °C ~ 55 °C 

16, Coincide with IEEE 802.11

17. we have 8 standard colors : black, white, silver, red...etc.