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, built‑in 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 long‑distance 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 New Item Type: Bluetooth Receiver Material: ABS Color: As Pictures ShownModel: BT200 Frequency Response Range: 10HZ-20KHz Signal to Noise Ratio: >110dB Distortion+Noise: <0.02% Bluetooth Version: 5.0 Interface: Stereo Analog / AUX 3.5MM Bluetooth Name: BLS-B10 Output Impedance: 75 Ω Decoder Chip: Bluetooth 5.0 Effective Distance: Approx. 15 meters/49.2ft Performance: HiFi level Support: A2DP/AVRCP. Package List: 1 x Bluetooth Receiver1 x 3.5mm/0.1in Audio Cable1 x RCA Audio Cable1 x Charging Cable1 x Instruction