1SMALL PARTY SINGING KARAOKE: The M8 Demon Bluetooth audio shell is made of high quality ABS material, wear resistant, corrosion resistant, and durable. Plug and play, very convenient to sing karaoke at home or small gatherings. 2BLUETOOTH 5.0 MUSIC SPEAKER: The Bluetooth speaker has an excellent volume level that provides rich stereo sound in clear high definition. Provides indoor and outdoor studio quality with deep bass. 3LED SCREEN DISPLAY: The new powerful subwoofer and clear sound. It can also be used as an MP3 player with memory card or Aux input. The LED screen display includes time display, power display, function icon display, battery status, etc. 4KARAOKE FUNCTION: Download third party software through the mobile APP to download the accompaniment to K song, equipped with a mini microphone, the left corner of the devil's head can adjust the microphone reverb function, and the right corner can adjust the microphone sound level. 5MEMORY CARD EXTENDED MP3 MUSIC PLAYBACK: Supports up to 16G memory card, you can download your favorite music to the memory card, and then insert the memory card into the devil speaker, the opportunity will automatically recognize and play the song. Item Type: Bluetooth Speaker Material: ABS Model: M8 Output Power: 5W (RSM) Speaker Unit: 56MM Internal Magnetic Suspension Speaker Frequency Response Range: 50Hz-18KHz Bluetooth Version: 5.0 Frequency: 2402-2480GHz MIC Sensitivity: -38db Distortion:1 x Demon Speaker 1 x Mini Microphone 1 x Microphone Sponge Cover 1 x Audio Cable 1 x Data Cable The memory format is preferably FAT32bit format, and the built in MP3 format songs