Fangrui Product Details Ultra-clear Smart Large Screen With Delicate Touch. Control At Your ,exquisite Touch Screen Unlocks Convenient Operation, Ultra-high-definition Display Presents Beautiful Picture Quality. Lyrics Are Displayed In Real Time When Listening To Songs,with Accurate Real-time Lyrics Display, It Creates An Exclusive Stage For K Song Lovers To Sing Along With The Lyrics Without Worrying About Forgetting The Lyrics. Small Size. Big Volume. Can Be Used Indoors And Outdoors Equipped With A 40mm Full-range Large-size Speaker, It Has A Loud Volume And A Wide Sound Field Coverage. You Can Carry It With You And Enjoy Your Music Time. Powerful Driver Unit With Distinct High And Low Frequencies,the High And Low Notes Are Precisely Carved, The High Notes Are Impeccable, And The Low Notes Are Clear And Ethereal, Rolling In With Great Force. Waterproof, Dustproof, And Drop-proof. Product Model:k15 Speaker Parameters:5w Product Size: 80x59x41.5mm Battery Life: About 10 Hours Frequency Response Range:55hz-20khz Signal To Nois