Description:[3- IN-1 DESIGN]: Support bluetooth receiving (RX), bluetooth transmitter (TX), FM transmitter mode (87.5-108MHz). Equipped with HD LED display, working status and Bluetooth mode are clearly visible. With multi-function buttons, one-key switch mode, or play/pause music, simple operation. Built-in high-definition microphone, support wireless music listening, hands-free call, navigation, let you drive more safely[WIDE COMPATIBILITY]: Support NFC function, connect Bluetooth when the mobile phone is close to it (mobile phone needs to have this function). As a bluetooth audio transmitter, it turns non-Bluetooth TV, PC, laptop, tablet, etc into bluetooth functions. Enjoy the wireless tech life. Support 5-8m infrared remote control, easily control multiple functions[BLUETOOTH 5.0 HI-FI SOUND]: It features advanced Bluetooth V5.0 chip to ensure HiFi stereo lossless Bluetooth audio signal for music streaming to AUX or RCA input speaker, car or home stereo system. Support aptx Low Latency. Stronger compatibility and stability, wireless range is more than 10m / 33feet[MULTIPLE INTERFACE OPTIONS]: Built-in digital to analog chip, support 3.5mm AUX, RCA, digital optical, coaxial, USB (memory card), TF interface. Comes with AUX cable, RCA cable, USB charging cable, it can satisfy all of your connection needs and match with various audio devices with both Bluetooth and non-Bluetooth function[RECHARGEABLE & EXCELLENT BATTERY LIFE]: Built-in with 500mAh battery that supports the receiver for non-stop streaming up to 8-10 hours, long standby time of 30 days. Can be used while charging. Enough for music and hands-free call in a long road journey. Comply with safety certification, longer service life Features:Bluetooth receiver (RX), Bluetooth transmitter (TX), FM transmitter 3-in-1 design.The Bluetooth 5.0 chip has stronger compatibility and stability.Equipped with HD LED digital display.Built-in digital to analog chip, supports digital optical, coaxial, AUX, RCA interface.Upgrade the NFC function, the mobile phone can connect with one touch.Built-in 500mAh rechargeable lithium battery, long battery life.Support USB (memory card), TF card playback and transmission.Support FM transmission, frequency range 87.5-108MHz.Support 5-8m infrared remote control, all kinds of functions are readily available.Built-in HD microphone, supports wireless music listening, hands-free calling, and navigation.Easy to use and no driver is required. Parameters:Product model: M6Bluetooth version: Bluetooth V5.0Support protocol: RX: A2DP, AVRC; TX: A2DPWorking frequency: 2.402GHz-2.480GHzInterface Type:Input: 3.5mm AUX+RCA+Optical+Coaxial+USB+TF interfaceOutput: 3.5mm AUX+RCASupport format: MP3/WAV/WMA/APE/FLAC/G729/M4A/ALAC/AMR/DTS/MIDI/G726/MTYBuilt-in battery: 3.7V/500mAhCharging time: about 2HLife time: RX about 10H, TX about 8HBluetooth distance: 10M (open place)Charging method: Micro USB 5V/0.5ACompatible devices: Android, IOS system mobile phones and PAD, active speakers, power amplifiers, and Bluetooth speakers or headphones that support A2DP/protocol are connected for usePackage includes:1 * Bluetooth 5.0 adapter1 * AUX cable1 * RCA cable1 * USB charging cable1 * Infrared remote control 1 * User manual