ZZLWAN Wireless Bluetooth Karaoke Microphone Led lights dancing with music The bluetooth karoake microphone design with professional audio processor and tuning system, has 3 layers of filter head, which can greatly reduce the noise produced when singing. And it uses denoising technology that filters air flow and wind noise effectively, always allowing you to sing with perfect clarity .This would be an awesome gift for anybody. Especially for kids, they will like to see the led lights flash and blink! Best Christmas gifts, birthday gifts! How To Use? 1.Switch on/off: Press the button, the light will turn on/off (Press the power button for about 5s, you will hear connected sound successfully.) 2.Bluetooth connection: Open your bluetooth function ,Search device name WS-858 and connect. 3.Playing music: Turn on your mobile music app, and play a song or accompaniment. 4.Adjusting sound: Adjust volume and echo to the best state. 5.Starting singing and enjoying a great singing time. Specification: Material: Aluminium Alloy Weight: 365g(12.87oz) Output Power: 6W(Speaker Output) Charging Voltage: DC 5V Charging Time: 4 hours Sing Time: Up to 5 hours Battery Capacity: 1800mAh Speaker Frequency: 100Hz-10KHz Package Includes: 1 x Karaoke Microphone 1 x Micro USB Cable 1X Audio cable 1 x Instruction Manual