Features:

• Works with any USB Bluetooth adapters.
• Easy to use and completely encapsulated.
• This module includes key interface and state interface compared with Smart Bluetooth Module Baseboard.
• The Bluetooth Module Baseboard can be compatible with the master mode, slave mode and both master-slave mode.
• Works for Bluetooth TTL transceiver module which allows your target device to both send and receive the TTL data.
• The key interface on the baseboard is the master mode button and can be controlled by high level from external MCU, then this module will search again automatically.
• This module power supply input is 3.6~6V, Please be careful that it should be not more than 7V.

Specifications:

1. Bluetooth protocol: Bluetooth Specification v2.0+EDR.
2. Frequency: 2.4GHz ISM band.
3. Modulation: GFSK(Gaussian Frequency Shift Keying).
4. Emission power: =4dBm, Class 2.
5. Sensitivity: =-84dBm at 0.1% BER.

Specifications:

• The module has stereo output
• simple built-in bluetooth antenna structure
• 5V power supply voltage,
• bluetooth connection function is added to active speaker.
• The 7PIN output interface is 2.54 through holes
• the 7PIN output interface is +power supply, ground, left channel, right channel, mute, LED status indication, reserved port.
• Among them, the state port of the LED is connected with a 100-ohm resistance series LED indicating that it is connected to the ground.
• When bluetooth is not connected, it is flash.
• When bluetooth is connected successfully, it is slow flash.
• Volume: 30 x 20 x 3 mm.