Microphone And Audio Integrated Amplifier. Amplifier With Mobile Phone Bluetooth Singing Artifact Use Scenario: Microphone And Audio Integrated Microphone, Which Is Both A Microphone And An Audio. Bluetooth Connection Accompaniment, Suitable For Mobile Phones, Tv. Suitable For Performances, Entertainment, Training, Shopping Guides And Other Places. Very Suitable For Hosting, Singing And Listening To Songs. Simultaneously Supports Two Microphones To Sing: 4 Kinds Of Magic Voice Change (Male Voice, Female Voice, Baby Voice, Magic Voice). The Microphone Comes With A Speaker, Supports Bluetooth, Tf Card, And Hifi Sound Quality. Built-In 1500mah Lithium Battery, Super Long Battery Life Of 4 Hours After Charging. Button Function: (Long Press To Eliminate The Original Song, Short Press The Microphone Volume +); (Long Press To Change The Voice, Short Press The Microphone Volume -); (Long Press The Reverb +, Short Press The Previous Song); (Long Press Reverb -, Long Press For A Song); (Short Press To Pause/Play, Long Press For Dual Microphone Pair Connection); (Long Press For Power On And Off, Short Press For Mode Switching) Design: There Is An Audio Input Port, A Charging Port And A Tf Mount At The Bottom. Dimensions: (Lhw) 19.5 X 6.5 X 6.5cm. Weight 350g. Using 3d Texture Metal Mesh Cover, High-Density Sponge Intelligent Noise Reduction Filter Noise, Eliminate External Interference, Prevent Singing Broken Sound After-Sales Service: The Shipping Place Of This All-In-One Microphone Audio Amplifier Is In China, And We Are Very Friendly To Every Buyer And Friend. If You Like Singing Or Work Needs, Then This Integrated Microphone Audio Amplifier Is Very Suitable For You. If You Have Any Questions, Please Contact Us, We Will Reply You Within 24 Hours.