KTS-1199 8inch Subwoofer Wireless bt Speaker with Karaoke system

Battery: Yes, 3000mAh Number of Loudspeaker Enclosure: 1 Speaker Type: PORTABLE Cabinet Material: Plastic Built-in Microphone: Yes Use: HOME THEATRE, Portable Audio Player, Mobile Phone, Karaoke Player, COMPUTER, Stage Special Feature: Wireless, PORTABLE, Mini Accessories: Charging Cable /Remote/ MIC Speaker size: 29.5*28.8*70.7 Battery capacity: Rechargeable Li battery 3000mAh