Qualimate 12 Inch Karaoke Bluetooth PA System Portable Trolley Speaker with 2 Wireless Mic, Remote Control, FM Radio and AUX/TF/USB Qualimate Karaoke PA System, set included what you need: Bluetooth speaker with telescoping rear-handle and wheels, wireless microphone, remote control, support FM radio function and various connection . Just play your favorite music, enjoy the strong bass, clear and rich vocal, makes it filled with your house, bedroom, party. Be your own by using the wireless microphone with the background music to have a passionate speech. Specifications: Speaker Unit:1 12" Speaker +1 3" tweeter. Power Output: 100 W Power Input: AC100-240V Adapter Output: 9V 0.8A Battery: Lithium 7.4V R.Frequency: 90Hz-20kHz S/N Ratio: 60B Working Time: Up to 8 Hours Color: Black Package: 1 Karaoke Speaker Set 2 x Wireless Microphone 1 x Remote Control (Battery not included) 1 x Power Cable with Adapter 1 x Audio Cable(portable trolly speaker wireless, trolly speaker with bluetooth mic, portable bluetooth speaker).