•The product has a beautiful appearance,exclusive private mold,including design patents •Designed with Bluetooth-compatible 5.1 chip for greater compatibility and stability •Bluetooth-compatible receiver (RX) and Bluetooth-compatible transmitter (TX) in one •High-definition LED digital display for clear visibility of working status and Bluetooth-compatible mode •Built-in DSP decoder chip,heavy bass effect,the device supports treble/bass button adjustment •Upgraded NFC function,mobile phone induction is connected at a touch •Controllable indicator light,soft and non-blinding,the light brightness follows the volume level to brighten/darken accordingly •Built-in 1200mAh rechargeable lithium battery,long battery life •Support U disk/TF card playback and transmit,support MP3/WMA/SBC/WAV/DTS/A52/FLAC/AAC/AIF/AMR/APE format •Built-in FM radio,one key to search and save stations automatically,the frequency can be adjusted from 87.5~108 •Support 5-8m red private mode external cable remote control,mode/signal/volume/up/down track/mix/microphone,and various other operations •Built-in 6.5mm HD microphone,support microphone access for singing,built-in anti-whistle design •Easy to connect,no driver or APP downloading Specifications: •Product Model: M9 •Bluetooth-compatible Version: Bluetooth-compatible V5.1 •Protocol Support: A2DP/AVRCP/HSP/OPP/GATT/SM •Operating band: 2.402GHz - 2.480GHz •Power Level: Power Level 2 (Class II) •Sensitivity: -85dBm