Sell Bluetooth 5.0 Transmitter Receiver ule BK3266 Audio Stereo Amplifier Board AUX Audio Input DC 3.6 -5V best price

Power amplifier board size: 6.2x4.4CM Bluetooth power amplifier board (dual 4Ω 3W), support serial port AT to change the Bluetooth name, support serial port AT control, Bluetooth (with call), transmit audio input, button switch machine, neutral tone, etc., can be used as Demo test board of BK3266 transmitter ule, Convenient for customer development and testing Neutral tone = drip tone or electronic tone Power on, default launch function, can be switched and transmitted by button Launch instructions for use: Ensure that the slave is in the pairing state (requires the slave to have no pairing password) After the transmitter ule is powered on, press and hold the "PLY button" for 6 seconds until the indicator light flashes and start searching for the slave. After the pairing is successful, the transmitting ule indicator light is always on. After each power-on normal connection, first power on the transmitter, then power on the slave (requires the slave to have power-on connection function) color:green Material:plastic Package Included: 1 x BK3266 Bluetooth 5.0 Receiver Amplifier uleOnly the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.