Full-frequency speaker technology, 360-degree stereo surround HD decoding output, no noise more powerful Adopt automotive DC 5V direct plug power supply design plug and play Support vehicle U disk or car charging interface power supply It adopts Bluetooth 5.1 chip and built-in performance decoding chip with high performanceStereo, listening to music smoothly without delay, car universal Built in microphone, speakerphone, hd call keep your hands in the direction, so it's to drive 10m transmission distance the built-in antenna design can realize 0-10mlong-distance transmission Type: Bluetooth adapter Operating voltage: 5V/1V Bluetooth version: V5.1+BLE Power supply mode: USB power supply Bluetooth distance: 10 meters product Connection mode: mobile phone, tablet, PAD Bluetooth connection Key: FM FM FM/Play/Pause/Answer Phone Frequency range: FM87.5/95.0/103.0 color: Black Material: ABS Package Contents: 1 x Adapter Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.