Feature: 1. 3 in 1: Using Bluetooth 5.0 chip design, stronger compatibility and stability. Bluetooth receiving (RX), Bluetooth transmitting (TX), FM transmitting three in one design. 2. Display and Color Light: Equipped with high definition LED digital display, working status and Bluetooth mode are clearly visible. Cool breathing light, red/blue color, soft and not dazzling. 3. Interface and NFC Function: Built in digital to analog chip, support digital optical fiber, coaxial, AUX, RCA interface. Upgrade the NFC function, the mobile phone can be connected with one touch. 4. Multifunction: Support USB (U disk), memory card playback and transmission. Support 5~8 meters infrared remote control, all kinds of functions are readily available. Built in 500mAh rechargeable lithium battery, long battery life. 5. Microphone and Simple Operation: Built in high definition microphone, support wireless music listening, hands free call, navigation. The product connection is simple, without any cumbersome driving and downloading APP. Specification: Item Type: Bluetooth Adapter Material: Plastic Color: Black Version: Standard Version Model: M6 Bluetooth Version: Bluetooth V5.0 Chip: AC6951C Built in Battery: 500mah Lithium Battery Remote Control Battery: CR2025x1 Use Time: Listen to Music for About 10 Hours, Standby for 30 Days Transmission Range: About 10m/32.8ft Interface: 3.5mm AUX/2RCA/COAXIAL/OPTICAL Input Parameter: DC 5V-2.1A(Maximum) Supported Protocol: A2DP/AVRCP Usage: Drive Free Basic Functions: Bluetooth Receiving, Bluetooth Transmitting, U Disk Playing, Memory Card Playing, Infrared Remote Control, Key Operation, Digital Fiber/Coaxial Input, NFC Supporting Equipment: All Kinds of Speakers, Desktop Computer, Laptop Computer, TV, Power Amplifier, Projector. Package List: 1 x Bluetooth Adapter1 x 3.5mm Line1 x 3.5mm RCA Cable1 x Micro USB Data Cable1 x Remote Control1 x User Manual