Wireless Speaker “Bs54 Party” Portable Loudspeaker 1. Sizes: 493*225.3*247.3Mm. Weight: 4.6Kg. 2. Bt V5.1. Chip: Blue Trum. 3. Battery Capacity: 3600Mah, Charging For About 4 Hours. 4. Use Time: 3 Hours. 5. Speaker: 2* 6.5 Inches Full-Frequency Speakers. Power: 2*15W. 6. Supports Bt, Tf Card, Usb Flash Drive, Aux, Fm And Other Modes. It Supports Loop Recording And Playback, Supports Microphone Ducking, And Supports Electronic Musical Instrument Input. 7. Two Wireless Microphones Included, Support Wired Microphone Input. A Variety Of Flashing Modes.