[4 in 1 ] Portable wireless microphones can be used as microphone,Bluetooth speaker,loudspeaker,recorder.Perfect for KTV singing,car singing,family singing and party singing,etc. [Sound quality and voice change] Two-channel 3D stereo speakers,three-layer mesh filter reduces noise, create a shocking KTV live sound environment and wonderful reverberation.This wireless microphone has five voice change modes: voice, baby voice, female voice, male voice, and voice. [Battery Capacity Upgrade] Built-in 2400mAh rechargeable battery,fully can last 8-10 hours.Whether or outdoors,these singing microphones can meet your requirements. [Two Connection Methods] Bluetooth and 3.5mm audio interface connection.The microphone uses the latest Bluetooth 5.0 technology,provides faster pairing,more stable connection (33 feet of -free range),and supports all Bluetooth devices. [Gifts ] This bluetooth microphone has beautiful colors and brilliant lights.It is an excellent gift for children on birthdays and Christmas.Let your child start his small solo concert now. Colour: gold Material:plastic, metal Package Contents: 1 x Microphone 1 x Charging cable 1 x Chinese and English instruction manual Only the above package content, other products are not included. Note: Light reflection 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.