TINYSINE TSA5003, Bluetooth Audio Transmitter with Microphon

This is a compact size bluetooth 5.2 audio transmitter with microphone input. You can use it to build a wireless intercom system or a wireless broadcasting system. TSA5003 can pair with a Bluetooth headset or a Bluetooth audio amplifier board (HFP enabled). It can achieve Bluetooth point-to-point calling function once it paired with a Bluetooh headset. It becomes a wireless broadcasting system once it paired with a Bluetooth audio amplifier system (HFP enabled). Note: TSA5003 does not support PIN code pairing. It can't work with a car multimedia system.