Feature:1. Support NFC: Built in chip, you can directly connect to NFC mobile phone or other devices that support NFC blue by touching this receiver.2. Play Music on Two Speakers at The Same Time: 3.5mm and 2RCA two connection options, you can enjoy music on two speakers at the same time.3. Support Dual Audio Port Connection: Equipped with 3.5mm and 2RCA audio ports, suitable for more devices (including 3.5mm cable and 2RCA cable).4. Long Distance Wireless Connection: The effective distance can achieve 10 meters/33 feet, and it can control long distance music playback.5. Automatically Turn on: When you start the car or it has electricity, it will automatically turn on and automatically connect to your device.6. Auto Off: When the car is turned off, it will automatically turn off.Automatically disconnect.Specification:Item Type: Bluetooth Audio ReceiverMaterial: ABSBluetooth: 5.0Distance: Approx.10m/32.8ftPower Supply: DC5VCompatible: All Bluetooth Audio Devices Support A2DP/AVRCP/HFP ProtocolFunction: Support NFC Support Simultaneous Connection of Two Devices .Package List:1 x Bluetooth Adapter1 x Audio Line1 x RCA Line1 x USB Line1 x Manual