【4-in-1 Karaoke Microphone】 This portable wireless microphone functions as a microphone, Bluetooth speaker, loudspeaker, and recorder. Perfect for KTV singing, car singing, family singing, and party singing! 【Sound Quality & Voice Changer】 Dual-channel 3D stereo speakers and a three-layer mesh filter reduce noise, creating a shocking KTV live-sound environment with wonderful echo reverberation. This magic wireless microphone has five voice-changing modes: original voice, baby voice, female voice, male voice, and warcraft voice. 【Upgraded Battery Capacity】 Built-in 2400mAh rechargeable battery (18650) provides 8-10 hours of playtime on a full charge. Whether at home or outdoors, this singing microphone meets all your needs. 【Two Connection Methods】 Bluetooth and 3.5mm audio interface connection. The microphone uses the latest Bluetooth 5.0 technology for faster pairing, a more stable connection (33 feet of barrier-free range), and supports all Bluetooth devices. You can also install a TF card for use. 【Gifts for Kids】 This Bluetooth microphone features beautiful colors and brilliant lights. It's an excellent gift for children on birthdays and Christmas. Let your child start their little solo concert now!