Name: Receiver Frequency: 2.4 GHz-2.48GHz Charging Voltage: DC 5V Bluetooth-compatible Receiving Function: Connect 1 Mobile Phone, Support NFC Quick Link Weight: 112g, Color Boxed Accessories: Host, 3.5mm Audio Cable, RCA Audio Cable, Power Cord, Manual Packing Size: 125X100X28mm Color: Black Features: 1. Dual Audio Interface, Choose A Little More, Multi-interface Selection, To Meet The Needs Of Various Types Of Equipment 2. A Key Easy Operation, Simple And Convenient, Only A 3.5MM Audio Line, Ordinary Sound Can Be Transformed Into Speakers 3. Enjoy No "line" Music, Built-in Bluetooth-compatible Sensor Chip, Mobile Phone Close To The Second Connection, Support With NFC Function Mobile Phone Tablet, Avoid Tedious Manual Connection 4. Listening To Songs/navigation Is Not Wrong, Driving Is Safer, AUX Connection Is More Stable 5. Support TF Card Playback, Plug And Play, Drive-free Installation, Support TF Card Playback, Transmission Without Delay Package Included: 1pc Adapter