Feature: 【Portable Design】- The portable karaoke microphone is designed for you to sing anywhere! It combines the features of a bluetooth microphone with a karaoke machine for only a small change in appearance. It is also an awesome portable speaker if you just want to enjoy some music. 【Professional Karaoke System】- The microphone uses top notch DPS tech and layers of foam nets to better capture voice input and reduces noise. The built-in speaker in this karaoke microphone is also very powerful it is great for having parties or giving live speeches. 【3 In 1 Multi-functional Microphone】- The main function of this bluetooth microphone is to have FUN! Singing and karaoke is the obvious job done here it can also record your songs and act as a voice disguiser. But yes mostly it s for enjoying yourself anywhere anytime. 【Easy to use】- This bluetooth microphone isn t complicated to use at all. There are only a few easily understandable buttons such as the sliding buttons for mic volume and remix +/- buttons for speaker volume and switching songs etc. Once connected to your device (or TF card flash drive) it s party time! Specifications: ● Material: aluminum alloy ● Capacity: 2400 mAh ● Frequency range: 100 Hz - 10 kHz ● Maximum sound pressure level: 115 dB 1 kHz TDH 1% ● Working voltage: DC 5V ● Sensitivity: 400mV ● Product weight: 306g Package list: 1 * Microphone 1 * USB cable 1 * Manual