Feature:1. LCD display, realtime status display (Bluetooth mode/playing status/pairing name/audio cable connection status/battery level, etc.).2. Active search, refusal to connect blindly (you can display the pairing name of the connected Bluetooth device, doubleclick the> button to automatically search for the next Bluetooth device around).3. With key operation, support up and down music/volume up/down/play/pause/switch on/off/signal switching.4. Builtin highquality decoding chip, highdefinition stereo sound quality. Transmitting supports original headphones for IOS.5. Bluetooth 5.0 chip, power on automatically boot, memory back connection. Supports Bluetooth reception, Bluetooth transmission, memory playback, card reader, and external sound card.Specification:Item Type: Bluetooth 5.0 AdapterMaterial: ABSColor: BlackBluetooth Version: 5.0Transmission Distance: 10 metersAccessories: 3.5mm audio cable (1m / 3.3ft)Built-in Battery: 170mAhUSB Direct Plug Power Supply, DC 5V/2.1A (Maximum).Package List:1 x Bluetooth 5.0 Adapter1 x Instruction Manual1 x Audio Cable