The portable wireless bluetooth microphone can be used not only as a microphone, but also as a speaker, singing recorder, funny voice changer and FM radio. Mini family KTV that can anytime, anywhere. Children's microphones can turn your voice into different characters. There are original voices, child voices, female voices, male voices, and magical voices to choose from. -changing elements is a very good laugh, very suitable for parties. Both children and adults will love it. Professional audio processor and tuning system, three-layer high noise reduction, karaoke microphones create a stunning KTV live sound environment and wonderful reverberation. Just connect your device via Bluetooth or audio cable, or insert a TF card, and you can sing immediately. Suitable for iOS and Android, , smart TV and MP3 player, etc. Fully can be used continuously for 8 hours. This is an essential tool for outdoor or home entertainment, creating an Perfect singing atmosphere for festivals or parties. A unique children and adults. It is also an Perfect Christmas, celebrations and parties. Speaker power: 4 ohm Signal to noise ratio: greater or equal to 85dB Frequency response range: 150~ 20KHZ Audio source interface: 3.5mm stereo headphone plug Battery capacity: 1800MA lithium battery colour: black Material: ABS + aluminum alloy Size: 230x55x10mm Package Contents: 1 x microphone 1 x USB cable Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.