4 in 1 Wireless Karaoke MicrophoneMultifunctional karaoke microphones can be used as microphone, Bluetooth speaker, recorder, camera. Mini home KTV for playing and singing music at any time. Supports TF cards up to 32 GB, so you can sing even without a phone. Short press the On/Off button, it can switch from Bluetooth mode to selfie mode. Superior Sound QualityTwo-channel stereo speakers, three-layer mesh filter reduces propagation noise. Professional audio processor and tuning system, creating a live KTV sound environment and superb echo reverberation. Built-in 2600mAh rechargeable battery with long battery life, fully charged within 3-4 hours, use continuously for 5-8 hours. It will turn off automatically if the battery is low, please charge it. Two Way Connection3.5mm audio jack and Bluetooth connection, wireless karaoke microphones can connect with version 4.2 .2 or above for Android system, version 6.0 or above for IOS system, smart phones, personal computers, laptops and applications such as YOUTUBE, etc. The Bluetooth connection has a long distance of 10m without obstacles. Search for Bluetooth "WS-669". Colorful LED Lamp and Magic SoundIt is a magic voice-changing microphone. It has five sound modes: original sound, child voice, female voice, male voice, male voice. And the light conversion into six colors, with the rhythm of the music, creates a perfect singing atmosphere for festivals or parties, allows you to sing freely and brings more fun and relaxation. Warranty and Customer Service KTV singing, gathering singing, family singing, singing singing, car radio, instrument recording, interviews and live, ect. A unique gift for your friends or family.