M16 2in1 Audio Receiver Launcher BT5.1/DSP Decoding Audio Receiver Transmitter Digital Fiber Analog Multiple Interfaces Adapter Description: Product name: M16 audio adapter Working voltage: DC 5V/1A (MAX) Battery capacity: 3.7V 1200mAh carp battery Use time: about 8 to 10 hours Product size: 98mm * 67mm * 24.2mm Supported formats: MP3/APE/FLAC/WAV/WMA, etc version:Bluetooth 5.1 DSP decoding protocol A2DP/AVRCP/HFP/SBC, etc Transmission distance: barrier-free about 30 meters Charging party: Type-C interface, fully charged for 1.5 hours Net weight of product: about 120g Specifications: receive/transmit in one, intelligent and compatible with various audio devices. Bluetooth 5.1 chip/DSP decoding, lossless stereo, adjustable bass. There are many ways to listen to music, including USB flash disk/TF card. Support microphone singing, professional karaoke chip, better modify singing voice. Upgrade NFC, one-touch pairing, and eliminate trouble of connection. Upgrade the wireless infrared remote control and customize the remote control for easy operation. Lossless DSP decoding: Built-in DSP high-performance decoding chip, more than 200 professional tuning, the sound quality is pure, and exquisite, and the lossless sound quality brings you a shocking hearing experience. Multiple interfaces:rich interfaces are configured to support various audio playback devices to meet your various functions and use scenarios. NFC touch speed matching:built-in NFC matching chip, the mobile phone will automatically connect when it is close to the sensing area, supporting various mobile phones and tablets, saving the trouble of manual connection and making it more convenient to use. The old power amplifier is converted into a 5.1 function amplifier: upgrade the old power amplifier to a connected function amplifier, with mobile phone/tablet wireless connection, build a stereo sound atmosphere like your home theater, and support the simultaneous connection of two power amplifiers or speakers. Old TV/computer upgrade:TV can also be upgraded to a TV with function, so that speakers or wireless headsets can be connected. Package Included: 1 * receiver transmitter 1 * Infrared remote control 1 * Power cable 1 * AUX audio cable 1 * antenna 1 * Red and white lotus cable 1 * Instructions