Item Type: Bluetooth SpeakerMaterial: ABSModel: M8Output Power: 5W (RSM)Speaker Unit: 56MM Internal Magnetic Suspension SpeakerFrequency Response Range: 50Hz-18KHzBluetooth Version: 5.0Frequency: 2402-2480GHzMIC Sensitivity: -38dbDistortion: <1%-2%Receiving Distance: 10-30MCharging Voltage: DV 4.8-5VBattery Capacity: Built in 2200mAh Lithium Battery (Included)Receiving Audio Frequency Segment: 87.5-108MHzBasic Functions: Karaoke singing function, time/battery display, function icons, clock alarm setting, support for memory card expansion playback, audio input playback, microphone reverberation (the two corners of the devil's head can set the microphone reverberation and microphone sound level ), FM radio, wireless Bluetooth connection stereo playback, voice call Bluetooth one-key answering and hanging up (need to plug in an external microphone), Bluetooth player reverse controlScope of Application: Home, Outdoor, Entertainment, etc.Connection: Turn on the phone and turn on the phones Bluetooth search and select the Bluetooth device "M8" for pairing. After the pairing is successful, it willA connection prompt sound is issued, indicating that the Bluetooth has been successfully connected, and the music on the Bluetooth device can be played normally.FM radio:Short press the switch button to switch to the radio mode. In radio mode, long press the play pause button and it will automatically search for the station, and the radio station will be automatically stored. Stored channels (Note: When the signal is not strong enough to receive the station, you can add an external wire to strengthen the signal, use the standard audio cable in the package to plug it into the charging port and adjust the position to replace the antenna)Package List1 x Demon Speaker1 x Mini Microphone1 x Microphone Sponge Cover1 x Audio Cable1 x Data CableThe memory format is preferably FAT32bit format, and the built in MP3 format songs1SMALL 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.