ET#20. BT600 (Mono) Bluetooth Transmitter Receiver Module Review Tx Rx Wired Headphone Hack 2in1

An unsponsored review of the BT 600 (Mono) bluetooth transmitter/receiver module available from AliExpress (and other places). A quick and easy and cheap way to convert wired to bluetooth headphones. NOTE: Mono only (Left channel to both channels in both Rx and Tx)!)