wireless bluetooth 5.0 transmitter receiver 2 in 1 stereo audio adapter with 3.5mm audio cable for smartphone mp3 cd player

wireless bluetooth 5.0 transmitter receiver 2 in 1 stereo audio adapter with 3.5mm audio cable for smartphone mp3 cd player technologies: bt5.0, a2dp, avrcp (receiver mode only) operation range: up to 10m / 33ft (without any blocking objects) pairing name(receiver mode ):kn320 transmitter mode: red led light is on receiver mode: blue led light is on dimensions: 32mm*17mm*8.5mm package content: 1x bluetooth 5.0 audio transmitter/receiver adapter 1x 3.5mm aux cable 1x user manual