1、3 in 1: Using Bluetooth 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. 1 x Bluetooth Adapter1 x 3.5mm Line1 x 3.5mm RCA Cable1 x Micro USB Data Cable1 x Remote Control1 x User Manual Item Type: Bluetooth AdapterMaterial: PlasticColor: BlackVersion: Standard VersionModel: M6Bluetooth Version: Bluetooth V 5.0Chip: AC6951CBuilt in Battery: 500mah Lithium BatteryRemote Control Battery: CR2025x1Use Time: Listen to Music for About 10 Hours, Standby for 30 DaysTransmission Range: About 10m/ 32.8ftInterface: 3.5mm AUX/2RCA/COAXIAL/OPTICALInput Parameter: DC 5V- 2.1A(Maximum)Supported Protocol: A2DP/AVRCPUsage: Drive FreeBasic Functions: Bluetooth Receiving, Bluetooth Transmitting, U Disk Playing, Memory Card Playing, Infrared Remote Control, Key Operation, Digital Fiber/Coaxial Input, NFCSupporting Equipment: All Kinds of Speakers, Desktop Computer, Laptop Computer, TV, Power Amplifier, Projector