Features:Multi-functional Karaoke Machine Speaker: This wireless speaker with 2 microphone can work as a karaoke machine, a music player via U disk, TF card, or AUX input, which is suitable for indoor party or BBQ, picnic, camping, square dancing, speech or other outdoor activities.Powerful Subwoofer and Tweeters: Equipped with 10-inch subwoofer and 3-inch tweeter for full range stereo sound. It can amplify your voice, play the radio or songs without audio distortion even at higher volumes. You can get high-quality clear and loud sound.Brilliant RGB LED Lights: Built-in bright-coloured RGB LED lights can enhance the entertainment atmosphere for indoor dance or outdoor gathering, bringing you both visual and aural enjoyment. The lights can be turned off with one button when you prefer not to use them.Simple Operation: With buttons and adjusting knobs, easy to control power on/off, light on/off, playing/pausing, volume control of music/treble/bass/Mic/echo, previous/next track, mode switch, recording function. Also comes with a remote controller for convenient operation.Long Lasting Battery Life: Built-in rechargeable 4400mAh batteries for the speaker provides music playing about 6 hours (depends on volume and light on or off). The pull bar design and the two wheels at the bottom make the speaker moveable, easy to move it from room to room, or take it outdoors.Specifications:Power Supply: AC 100-240V 50/60Hz 0.4A; DC 15V 3A Speaker Battery Capacity: 4400mAhCharging Time: about 4 hoursPlay Time: about 6 hours (depends on volume and light on or off)Microphone Battery: 2*AA batteries (NOT Inlcuded)Frequency Response: 60Hz-20KHzSignal to Noise Ratio: 65dBDistortion: <1%BT Version: 5.0BT Distance: 15M (open space)Speaker Unit: 10" subwoofer + 3" tweeterHorn Resistant: 8Color: BlackMicrophone Size: Approx. 4.0*24.0cm/1.57*9.44inMicrophone Weight: Approx. 117g/4.12ozSpeaker Size: Approx. 57.5*35.0*30.0cm/22.63*13.78*11.81inSpeaker Weight: Approx. 9.2kg/20.28lbPackage Size: Approx. 69.0*41.0*41.0cm/27.16*16.41*16.41inPackage Weight: Approx. 11.2kg/24.69lbPackage List:1 * Karaoke Speaker2 * Handheld Microphone1 * Remote Controller1 * Power Adapter1 * User Manual (English)