Features: The appearance of the product is exquisite Using Bluetooth 5.0 chip design, the compatibility and stability are stronger Bluetooth receiving (RX) and Bluetooth transmitting (TX) in one. These two modes can be switched quickly via its toggle switch Equipped with high-definition LED digital display screen, the working status and Bluetooth mode are clearly visible Built-in digital to analog chip, supporting six signal interfaces of digital optical fiber, coaxial, AUX, RCA, U disk and TF card Upgrade the NFC function, your mobile phone can be connected with one touch Cool breathing light, red/blue color, soft and not dazzling Built-in 500mAh rechargeable lithium battery with long battery life Support USB (U disk), TF card playback and launch Support 5~8m/16.4-26.2ft infrared remote control, all kinds of functions are readily available Built-in high-definition microphone, support wireless listening to songs, hands-free calling, and navigation The product connection is simple, without any cumbersome driving and downloading APP Specifications: Model: M8 Bluetooth version: Bluetooth V5.0 Supported protocols: RX: A2DP and AVRC; TX: A2DP Working frequency band: 2.402GHz -2.480GHz Power class: Power class 2 (Class II) Sensitivity: -85dBm