TSA1110 - Smartphone Bluetooth Remote Audio Volume Controller - (Andorid/iOS) TSA7551A The receiver board will have

The receiver board will have music out now

External Pairing buttons Port:  Connect external buttons to control the PAIR/TX/RX

Up to 100 boards can be linked together

the transmitter board will auto searching (30 seconds) receiver board

please click the S3 to switch the mode and then click S2 again

TSA1110 - Smartphone Bluetooth Remote Audio Volume Controller - (Andorid/iOS) TSA7551A The receiver board will haveIf you want to remotely control your old CD audio system. This is a good choice! Just lie in the bed, open the smartphone APP, and you will be able to control the audio volume. TSA1110 is a smartphone bluetooth audio volume controller. It's integrated a digital potentiometer and a powerful Bluetooth, and its control distance is up to 30m (outdoors). After it is connected with your audio amplifier, you can use an Android or iPhone APP to control the