Specifications: Output Power: 5W Product Weight: 300G Power Supply: MA Polymer Battery Capacity: 1200mAh Charging Voltage: DC 5V/1A Frequency Range: 100hz-10khz Reverberation Mode: Echo Effect TF Card: 32GB MAX (Not Included) Maximum Sound Pressure Level: >115dB 1KHz Thd<1% Package List: Charging cable *1 Microphone *1 Audio cable *1 Manual *1 Product Features: High Quality Sound Effect Bluetooth Karaoke Microphone 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. Controllable Dynamic LED Lights 28 colorful LED lights of this microphone will flick with the rhythm. Higher volume brighter light. Bluetooth Karaoke Microphone makes you feel like you re singing in a KTV! Two Way Connection Bluetooth Mode (sing with Bluetooth microphone) Note: If you want karaoke microphone as a bluetooth speaker turn off microphone s echo and volume. Bluetooth have memory function when mobile phone is restarted it can be connected automatically. Wired Mode (singing recording same time function) Note: Bluetooth function must be disconnected. Support TF Card If you have a TF card (Max 32GB NOT Included in the package) you can plug it in the microphone then you can play music through it. Christmas & Birthday Gifts For Kids This funny wireless microphone will both suit for adults and 3+ years old boy & girls to practice and share the favorite songs on music app (YouTube Spotify etc). Perfect for gatherings or home KTV you will have a fun with your kids friends or family. Warm Reminder: The microphone will be connected automatically after the first connection. If you want to disconnect the microphone turn off Bluetooth on your phone or delete device records from your Bluetooth management list. If you only want to listen to the song minimize the volume of the microphone.