Features:

SPK-B Bluetooth module designed for bluetooth speakers product design. With high integration- small volume etc- only with a little peripheral components can realize its powerful function. With A2DP- AVRCP transmission and remote control protocol of any bluetooth source equipment (such as: with bluetooth function of mobile phone- computer bluetooth adapter- etc.) to establish connections- achieve high quality stereo audio stream wireless receiving- and able to source player to realize the remote control.

Class2 power level
Built-in lithium battery charging circuit
Powerful noise elimination circuit
The effective transmission distance up to 20 meters
Bluetooth V2.1 + EDR bluetooth specification
Support A2DP V1.2- AVRCP V1.4 profiles
Integrated EEPROM- operating modes and parameters configurable
Extremely low operating voltage VBAT: 3.4V - 4.2V
Integrated power-on reset and programmable low voltage monitoring capabilities
Support automatic connection without keys

Application:
All kinds of high quality Bluetooth stereo audio receiving device and bluetooth stereo speakers- stereo.

Specifications:
Dimension: Approx. 14 x 23 x 2 mm
Color:As the pictures show
Weight:1 g
Package weight:11 g

Package included:
1 x Stereo audio bluetooth speaker module