Bluetooth Clock Speaker Karaoke Function LED Screen Display Memory Card Extended Playback Microphone ReverberationWhite 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%-2% Receiving Distance: 10-30M Charging Voltage: DV 4.8-5V Battery Capacity: Built in 2200mAh Lithium Battery (Included) Receiving Audio Frequency Segment: 87.5-108MHz Basic 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 control Scope of Application: Home, Outdoor, Entertainment, etc. Connection: Turn on the phone and turn on the phone’s Bluetooth search and select the Bluetooth device "M8" for pairing. After the pairing is successful, it will A 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)