【Excellent Sound】The amplifier delivers powerful sound directly to the speakers, designed for optimal sound distribution all around you. Thanks to the adjustment knobs, you can manage the echo effect and sound distortion. The perfect device for karaoke is also equipped with an integrated noise reduction system. You won't hear wind or small noises from outside. Clear sound lets you enjoy the listening frenzy! 【Long Playtime】Built-in 1800mAh rechargeable battery, long playtime, supports 10-12 hours of continuous singing time and 16 hours of music playing time, so you can sing along at home, KTV, outdoor parties anytime, anywhere. It turns off automatically when the battery is low, please fully charge it before use. 【Fun with Selfie Function】 The handheld microphone is not only a karaoke game, but also a music recorder, a Bluetooth speaker, and a camera remote control. Take amazing pictures directly with the scan button on the microphone via a Bluetooth connection on your smartphone. This selfie function is compatible with most Android or iOS devices. This feature will delight your child! 【Colorful LED Lights and Magic Sounds】 This is a fantastic voice-changing microphone. Original voice, child voice, female voice, male voice, old voice! Colorful lights spin and flash, quickly activating the party atmosphere. Perfect for children's singing, KTV/family gatherings, weddings, travel, camping picnics, etc. It is also a unique gift for your children, friends or family. A manual in French is attached.