If you are looking for a professional and recording sound voice changer, then your research is over here. That's because our product can meet your need. Adopted of , it is practical and durable for long time use. It is not easy to get deformed and bring you much convenience. Features -Color: Black -Material: metal -Size: 14.50X10.80X4.50cm/5.70X4.24X1.77in USB charging: 5V Battery capacity: 1000mAh Support microphone types: condenser type, moving coil type Wireless version: .0 - Professional noise reduction technology: Built-in dual DSP noise reduction chip and echo, there are dual DSP noise reduction chips inside the sound voice changer to avoid the influence of current noise. - Ensure sound, and sing beautiful songs, reverb makes your voice more charming. - Multiple Effects and Modes: 6 tuning knobs, 16 , 8 funny sound effects, breath indicator, LED level indicator. - Multi-device support: Compatible for single mobile phone karaoke live, double cell phone live, mobile phone computer synchronous live, single computer live, computer accompaniment cell phone live, instrument input cell phone live. - Multi-Application: home karaoke, voice chat, live, streaming and more, plug and play. Package list: 1 x Sound mixer 1 x Charging cable 1 x Manual 2 x Audio cables