Feature:1. Bluetooth version 5.0, conforms to version 5.0 specifications, and is backward compatible with Bluetooth 4.2 / 4.1 / 4.0 / 3.0 / 2.0 / 1.0.2. Support NFC, builtin chip, you can directly connect with NFC mobile phone or other Bluetooth devices that support NFC by touching this receiver.3. With USB, 3.5mm and 2 RCA connection options, you can enjoy music wirelessly on 2 speakers at the same time.4. Support dual audio ports connection, with 3.5mm and 2RCA audio ports, suitable for more devices (including 3.5mm cable and 2RCA cable).5. Support remote wireless connection, wireless Bluetooth adapter supports up to 15 meters/49 feet connection, can control longdistance music playback.6. Supports automatic turn on/off, use the charger cable to connect to the car/other power source, after starting the car or powering on, it will automatically turn on and automatically connect to the last connected device. When the car is turned off, it will automatically turn off.Specification:Conditon: 100% Brand NewItem Type: Bluetooth ReceiverMaterial: ABSColor: As Pictures ShownModel: BT200Frequency Response Range: 10HZ-20KHzSignal to Noise Ratio: >110dBDistortion+Noise: <0.02%Bluetooth Version: 5.0Interface: Stereo Analog / AUX 3.5MMBluetooth Name: BLS-B10Output Impedance: 75 Decoder Chip: Bluetooth 5.0Effective Distance: Approx. 15 meters/49.2ftPerformance: HiFi levelSupport: A2DP/AVRCP.Package List:1 x Bluetooth Receiver1 x 3.5mm/0.1in Audio Cable1 x RCA Audio Cable1 x Charging Cable1 x Instruction