3 IN 1 KARAOKE MICROPHONE: functions as a wireless speaker, microphone, or recorder DURABLE, SAFE BATTERY: built-in 18650 lithium-ion battery, offers 4-6 hours of playtime after only 2-3 hours charging time SUPERIOR SOUND QUALITY: 2 built-in speakers, professional audio processor, and tuning system. Enhanced with 2x 5W stereo drivers, this speaker delivers truly immersive sound with stunning rich bass, tight mids, and crystal-clear highs WIDELY COMPATIBLE: play songs from both wireless devices (smart phones/tablets/computers) and non-wireless devices (included 3.5 mm audio cable connects to the wireless microphone's AUX input). You can even play from your own MicroSD card FREE LIFETIME SUPPORT - All J-Tech Digital products include a 1-year manufacturer warranty and free lifetime technical support from our customer support team located in Sugar Land (just outside of Houston) in the great state of TEXAS!