BlueFire Bluetooth 4 in 1 Karaoke Wireless Microphone with LED Lights, Portable Microphone for Kids, Girls, Boys and Adults (Silver)

Output Power: 5WProduct Weight: 385GPower Supply: MA PolymerBattery Capacity: 2400mAhCharging Voltage: DC 5V/1AFrequency Range: 100hz-10khzReverberation Mode: Echo EffectTF Card: 32GB MAX (Not Included)Maximum Sound Pressure Level: >115dB 1KHz Thd<1%Charging cable *1Microphone *1Audio cable *1Manual *1The microphone will be connected automatically after the first connection.If you want to disconnect the microphone, turn off Bluetooth on your phone, or delete device records from your Bluetooth management list.If you only want to listen to the song, minimize the volume of the microphone.BlueFire Bluetooth Karaoke Microphone has 3 layers of filter head, which can greatly reduce the noise produced when singing. And it uses denoising technology that filters air flow and wind noise effectively, always allowing you to sing with perfect clarity.The speakers in the microphone is high quality. And the sound quality is improved by 30% with the Update Bass Diaphragm Cavity, which gives you the stronger shock and heavier sense.Bluetooth Mode (sing with Bluetooth microphone) Note: If you want BlueFire Karaoke Microphone as a Bluetooth speaker, turn off microphones echo and volume. Bluetooth have memory function, when mobile phone is restarted, it can be connected automatically.Wired Mode (singing recording same time function) Note: Bluetooth function must be disconnected.If you have a TF card (Max 32GB, NOT Included in the package), you can plug it in the microphone, then you can play music through it.