Stereo Bluetooth Module:
Version Bluetooth-compatible 4.2 Transmit+Receive Board --Dual Purpose
Use:
1: Receive output can be directly driven ordinary headphones as a Bluetooth-compatible headset use.
2: Receive output can be connected to the power amplifier board is a Bluetooth-compatible amplifier
3: In the launch mode, you can input the audio signal of your computer or mobile phone and use it with a compatible Bluetooth headset (you can use two modules, one is set to transmit mode, and the other is set to receive mode and can be paired).
Powered by usb interface, it can also be connected to 3.7v lithium battery or polymer battery
Multi-function button instructions:
1: Transmit/Receive Mode Switchover--- Hold down the Multi-function button and turn on the power to Switch modes.
2: In the transmitting or receiving mode working state, the multi-function button is used as a volume adjustment key.
Indicator status description:
Receive mode: search device - indicator light flashes slowly, connection is successful - indicator light
Transmit mode: search device --- indicator light flashes fast , connection is successful -- indicator light
Working power supply mode:
Usb interface power supply or 3.7v lithium battery. Polymer battery power supply.
Input, output interface: 3.5 earphone carrier
Transmission/reception distance: about 10 meters in the case of an obstacle.
Note: The module antenna location should not be close to metal objects, otherwise it will affect the launch/receive distance.
Package
1pcs