Wireless Microphone Karaoke, Portable Karaoke Player Speaker For ChristmasHome KTV Outdoor Party Muisc Playing And Singing [HTRise K3 Black Update Version] High-end configuration: 5 watts, others are 3 watt, playing music much louder than that of others because of our technical mic. Led screen will show you the volume, power and different modes. Portable karaoke machine: K3 is a handle Bluetooth wireless karaoke microphone, playing and singing for entertainment, practicing singing, home party and so on. Best gift for your friends and family. Special design: When separated, the wireless microphone can be used as a basic Bluetooth speaker. Patent licensing: HTRise focus on the sound quality, producing wonderful K3 microphone with design patent for adult and children. Support micro TF card Max 32GB(NOT INCLUDE) and song switch. You can play music and sing without the smart-phone. HTRise's multi-purpose safety battery (built-in 1800mAh 18650). Working time about 3~5 hours. emarkably Echo: There have two buttons to adjust the sound and Echo, maximum SPL 115db. It produces a more stunning KTV live-sound and more clear music rhythm with echo reverberation.