If you are looking for a professional and portable sound cards 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: Plastic. -Size: About 7.20X5.50X1.10cm/2.83X2.16X0.43in. -Charging input: DC 5V/1A. -Mobile phone : 3.5mm. -Dynamic range: 106db. -Battery capacity: 600mAh. -Headphone jack: 3.5mm. -Signal to noise ratio: 106db. -Charging port: micro. - Intelligent noise reduction chip, low power consumption and good computing performance. - Plug and play, no need to install driver, very convenient, comfortable to use. - Professional dual-core noise reduction chip, reverberation effect, one-key beautiful sound. - Support one-key noise reduction, one-key , one-key elimination of original sound, one-key ear return and other functions. - It has a simple application method, can be easily use, and is very simple to use. Package list: 1 x voice changer 1 x charging cable 1 x audio cable 1 x user manual