BEFORE PLACING YOUR ORDER CONTACT US SO WE CAN CONFIRM AVAILABILITY AND OFFER YOU A DISCOUNT CODE. YOU MAY DO THIS VIA CHAT OR EMAIL [email protected] SEND US THE PRODUCT NAME AND WE WILL PROVIDE THE DISCOUNT CODE. WE PREFER CHAT TO GET RESPONSE. The portable powerful wireless speaker with an ultra-large 15" Stereo Subwoofer and a wired microphone can offers you a PA karaoke system anywhere and anytime. Its stable wireless connection allows it to play your favorite speaker from your devices (like Smartphones, Tablets, Laptops, etc.) and let you sing you favorite songs with the included wired microphone without need to go to KTV. Its additional music streaming options include Aux Input, USB Flash and micro SD Card Reader. Its built-in flashing DJ party lights illuminate the area to add a cool effect while playing the music. And, its 4400mAh large capacity rechargeable li-ion battery makes this sound system extra portable and ready to party on the go, easily enjoy clear and nature sound with echo reverberation adjustment. The versatile audio system can be used for parties, dancing, rehearsals or any other occasion where portable music is needed.