Product Name:NFC multi function Bluetooth-compatible adapter Product Model::M8 Bluetooth Version: :Bluetooth-compatible V5.0 Chip:AC6951C Battery:3.7V/500mAh 602535 (UN38.3 Using Time::Listen to music for about 10 hours and stand by for 30 days Transmission Range: :10m (barrier free) Interface: :3.5mm AUX/2RCA/COAXIAL/OPTICAL Input Parameter::DC 5V-2.1A(MAX) Support Protocol: :A2DP/AVRCP Product Dimension: :about 92*65*20mm Using Method::Drive free Product Color::Black Product Material::High strength fireproof ABS+PC Product Weight::Standard version:80g Basic Functions: :Bluetooth-compatible reception, Bluetooth-compatible launch, U-disk playback, tfcard playback, infrared remote control, key operation, digital fiber / coaxial input, NFC Support Devices::All kinds of speakersdesktop computer laptop TV power amplifierprojector Net Weight:80g Gross Weight:155gAUX+RCA+Type-C Product Size: 92*65*20mm Packing Box:120*120*35mm Specifications: 1. The appearance of the product is exquisite. Using Bluetooth-compatible 5.0 chip design, stronger compatibility and stability. Bluetooth-compatible receiver (RX), Bluetooth-compatible transmitter (TX) 2-in-1 design, toggle switch to switch quickly. 2. Equipped with high-definition LED digital display, working status and Bluetooth-compatible mode are clearly visible. Built-in digital to analog chip, supports six signal interfaces of digital optical fiber, coaxial, AUX, RCA, U disk, and TF card. 3. Upgrade the NFC function, the mobile phone can connect with one button. Cool breathing light, red/blue color, soft and not dazzling. 4. Built-in 500mAh rechargeable lithium battery, long battery life. Support USB (U disk), TF card playback and transmission. Support 5-8 meters infrared remote control, all kinds of functions are readily available. 5. Built-in high-definition microphone, support wireless music listening, hands-free call, navigation. Package Included: 1 x Bluetooth-compatible adapter 1 x Type-C charging cable 1 x 3.5mm AUX audio cable 1 x Red and white RCA lotus line 1 x Ebglish Manual 1 x Remote control