- +: Enjoy wireless audio without cords limit. Work as bluetooth transmitter(TX mode), insert 3.5mm aux jack to non-Bluetooth TVs, gym equipment/gaming devices to transmit audio to AirPods/Headphones; Work as bluetooth receiver(Rx mode), insert to wired speakers/car stereo inpout port, you can receive HD music form smartphone via Bluetooth. Aslo bring new life for old home system. . :1Mii bluetooth adapter equipped with latest Bluetooth 5.3 technology and the most high-end Qualcomm chips to ensure lower consumption, more stable and faster wireless transmission. Support SBC/MP3/AAC/aptX/aptX-LL/aptX-HD/aptX-Adaptive, making the output audio higher than "CD" level.