DollaTek BLE 5.0 Bluetooth Receiver Audio Stereo Decoder Module DC 3.7V 24V for DIY Voltage Volume Adjustable Speaker Amplifier Controler

XY-WRBT is a Bluetooth Audio Decoder Module. Dual channels audio signal output.It is ideal for DIY wireless Bluetooth speakers and transponders. The Bluetooth audio module has a wide operating voltage range, and the knob can adjust the volume. Wireless Bluetooth control, maximum distance control up to 15 meters, support lithium battery for charging. Dual-channel stereo playback, 3.5mm audio jack. Support reverse connection protection, automatically reconnect after disconnection.