HiFi Stereo Music: High-quality surround sound that is noise isolating reduces external noise Plug and Play: So simple and easy to use, worked just by plugging it in Dual Connection: You can enjoy your music and never worry about missing any calls ENC Call Noise Reduction: Enhanced dual mics for 10S clear call Bluetooth 5.3: Major breakthroughs in technology. A faster connection, faster transmission, noise cancellation Specifications: Product name: Bluetooth receiver Model: JR-CB3 Bluetooth version: V5.3 Audio decoding: SBC Support protocol: HSP, HFP, A2DP, AVRCP Support mode: Bluetooth, TF card Transmission range: 12m Frequency response range: 20Hz-20KHz Microphone sensitivity: -382dB Product input: 5V1A Input interface: USB+AUX Product size: 40.5 x 45.7 x 11.4mm Product material: ABS+PC Product weight: 40g Package included: 1 x Car Bluetooth Receiver 2 x Sticker 1 x English and Chinese Manual Other items not included