SPK-B Bluetooth module is designed for product design of the Bluetooth speaker. Has the characteristics of high integration, small size, just with a few external components will be able to achieve its powerful features. And have A2DP, AVRCP transmission and remote control protocol any Bluetooth audio device (such as: Bluetooth-enabled mobile phone, computer Bluetooth adapter, etc.) to establish a connection, to achieve high-quality stereo audio stream wireless receiver, and audio playback remote control.

SPK-B Bluetooth stereo receiver module to the user interface, remote control buttons work the status indication interface, stereo audio output interface.

• Built-in lithium battery charging circuit.
• Class2 power level.
• The powerful noise elimination circuit.
• Effective transmission distance up to 20 meters.
• Very low operating voltage VBAT: 3.4 - 4.2V
• Tiny surface mount packages: 14 x 23mm.
• Follow Bluetooth V2.0 + EDR Bluetooth specification.
• Support A2DP V1.2, AVRCP V1.4 profiles.
• Integrated EEPROM, configurable operating modes and parameters
• Stereo audio output can directly drive 40mW @ 32Ω speeker without the need for DC-blocking capacitor
• Integrated power-on reset and programmable low voltage monitoring function
• Five control buttons, including the switch machine play pause button, volume plus the volume down on the one, the next one. Supports no button automatic connection function.
• The two indicators are used to indicate different working status
  
  
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