PAVEOS 5.0 Nfc Bluetooth Music Receiver Car Bluetooth Hands- Support U Disk Playback Output For Two Features: Bluetooth 5.0 audio receiver, wired speaker becomes bluetooth speaker in seconds Bluetooth 5.0 does not stutter when listening to songs. The new Bluetooth version is adopted, which makes the transmission more sensitive and the signal 10 meters long-distance transmission built-in antenna, reduce signal interference, the occurrence of break Support one-to-two function to connect two mobile phones at the same time, the two mobile phones can be switched arbitrarily, listening to songs/watching movies is correct The car bluetooth hands- call is connected to the A∪X interface, and the mobile phone can be connected to the bluetooth power on, and the car bluetooth can be changed in seconds output interface design 3.5+2RCA audio ports, suitable for more devices U disk playback is plug and play, supports ∪SB mobile storage devices, and can play music without network Ordinary speakers turn into bluetooth speakers in seconds, connected to a 3.5mm audio interface, and speakers without bluetooth can also play wirelessly Specification: Material: ABS Item model number: B21 Support device: support two mobile phone connection Bluetooth version: 5.0 Output interface: 3.5mm stereo left and right channels Function introduction: U disk, hands- calling, NFC connection Bluetooth protocol: AVRCP, A2DP Frequency range: 2400-2483.5MHz Frequency Response: 20Hz-20kHz Output power: 28mW RL=16Ω Signal-to-noise ratio: "90dB Total harmonic distortion: