1、2 IN 1: Bluetooth receiver transmitter adopts two‑in‑one design of receiving RX and transmitting TX, dual signal switching with one key, easy to use and suitable for multiple devices. 2、WIRELESS: Bluetooth sound receiver transmitter wired to wireless, break the space limitation, enjoy the convenience, stereo playback, more shocking sound. 3、AUTOMATIC CONNECTION: Bluetooth sound adapter has automatic memory connection function, after the first successful pairing, the subsequent computer boot will automatically connect Bluetooth devices. 4、LOSSLESS SOUND QUALITY: Sound receiver transmitter through high resolution restore lossless sound quality, bring hifi music experience, listening to songs without delay. 5、CAR: Install a Bluetooth for your car, cell phone connected to the car stereo, expand the voice broadcast, navigation and music to accompany you safely on the road. 6、COLORFUL LIGHTS: Wireless sound adapter will light up seven colors after power on, support single button control seven colors lights. 7、HIGH SPEED TRANSMISSION: Wireless bluetooth stereo adapter signal stable high speed transmission, rapid response, plug and play, more convenient to use.