1、Multi-function: It has a variety of functions, which can be used to change your voice, beautify your voice, and can also be used to sing on related apps, etc. It is very interesting. 2、Easy to operate: Designed with clear buttons to control various functions, you only need to press some specific buttons to enjoy the specific functions you need, and the operation is very simple. 3、Various voices: Using this voice changer, you can have various voices, loli voice, uncle voice, warm male voice, royal sister voice, etc., which are very interesting and satisfying. 4、Portable: Small size and light weight, it is very convenient to carry it anywhere, and it is convenient for you to use it anytime, anywhere. 5、Wide range of applications: The product has a wide range of applications and can be used in many occasions. It can be used for playing games, singing, live, etc.  1 x voice changer 1 x audio cable 1 x micro USB charging cable 1 x user manual Plug and play: support Suitable for: computers, tablets, mobile phones Material: plastic Single product weight: 30g Signal to noise ratio: 106dB Dynamic range: 106dB Battery capacity: 300mA/ 3.7V Charging input: DV5V/1A Battery energy: 3.7wh Battery effectiveness: about 3-4 hours at full powe