Pocket KTV is a portable product that can play music and sing karaoke directly. Because it is fashionable and compact, it packs professional KTV functions and family KTV functions into the palm of your hand, so it is called handheld KTV. Multiple invention patents for handheld KTV belong to Shenzhen Tangen Technology Co., Ltd., and its Tianlai brand handheld KTV product series is currently the real "handheld KTV". Today, when personal portable music products have developed from cassette players and CD players to MP3 players and digital products with various music functions, it is no longer difficult to obtain music, and the in-depth experience and personalized expression of music and Recreating music and allowing everyone to become the master of music is people's greatest need. Therefore, Down Technology's handheld KTV is expected to completely replace previous players and become the next personal music product to take the world by storm.