WIRELESS AND LOSSLESS MUSICThis Bluetooth receiver can update non-Bluetooth devices wirelessly via the 3.5mm jack. Using the latest Bluetooth 5.0 chip, stable connection, very fast transmission and wide range. HD audio decoding technology brings lossless music enjoyment. CLEAR CALL SOUNDOur Bluetooth receiver provides ultra-clear and more realistic call sound. Built-in microphone for good sound pickup, DSP and CVC8.0 noise reduction technology to eliminate echoes and reduce environmental noises (such as wind, traffic or crowds). CALL HANDS-FREE The Bluetooth receiver designs a multi-function button (MFB) to answer/redial/hang up/reject calls, freeing your hands. And the Bluetooth receiver supports streaming voice instructions from navigation apps. Make sure you drive safely! FAST AND LONG-LASTING CHARGINGThis Bluetooth receiver only takes 2 hours to fully charge and lasts for more than 10 hours (a TYPE-C charging cable included ). More convenient, this Bluetooth receiver can also be used while charging. DUAL DEVICE CONNECTIONThe portable Bluetooth receiver can be paired with 2 devices at the same time. Simply pause the current playback device and play the other to switch music sources. And it can automatically connect to the last paired device. View more details