?WARRANTY?1-year warranty. Friendly customer service. Wireless karaoke microphone, Carrying Hard case with zipper, Microphone base,TYPE-C Cable, a 4-core 3.5 mm Audio Cable. ?LONG PLAYTIME?This wireless karaoke microphone is rechargeable, lasts 4-5 hours per charge (longer at low volume), a convenient size and a nice handle to maximize comfort in the hands of adults and small vocalists, allowing you to sing your heart out during long parties. ?BLUETOOTH 5.0 AND WIDE COMPATIBILITY ?This wireless karaoke microphone uses second generation Bluetooth 5.0 technology, making the connection between devices faster and more stable, with a Bluetooth connection distance of up to 15 meters in open environments. It can be a handheld microphone or stereo Bluetooth speaker and is compatible with all Bluetooth devices including Android, iOS smartphones and laptops. ?MULTI-FUNCTIONAL KARAOKE MIC?4-in-1 Portable Wireless Karaoke Microphone. It's easy to use it as a Bluetooth Speaker, Microphone, loudspeaker, and recorder with multi-function, including duet (by pairing two microphones), remove/restore vocals from music, recording, magic sound. High quality DSP core chip brings clearer and wider sound range. ?HD STEREO SPEAKER WITH POWERFUL BASS? It is both a karaoke microphone and a stereo speaker, the EQ chip and DSP technology helps to automatically adjust the treble and bass with clear and loud sound. The high-quality wireless Bluetooth microphone has a large MIC receiver and dynamic superior sound to give you an authentic concert singing and listening.