BK3221Bluetooth Module/Botong Bluetooth Audio Module/Design Botong Bluetooth Speaker Product overview BM-3221 Bluetooth module is a self-developed intelligent wireless audio data
ZK-1002M Bluetooth Amplifier Board Stereo 2.0 Channel 2X100W Audio Amplifier Digital Power Amplifier with AUX/USB/Bluetooth/Flash Drive/PC USB Input Specifications Model:
Product introduction This product supports Bluetooth and AUX audio cable dual input, Bluetooth connection effective distance of 20 meters (unobstructed