Feature: M1 mini voice changer comes with 4 sound effects and 4 voice changes, enjoy sound changing as you please. Mini size and lightweight, convenient to carry. Plug and play, simple to operate. Applicable for smartphone, PC, tablet, game console, etc. Compatible with most online karaoke APPs, online chatting APPs and live streaming platforms. Adopting 3.5mm type interface, comes with one 3.5mm audio cable; for some device with different interface, you can use a conversion line (not included). Built-in 300mAh/3.7V lithium battery, can be recharged by the micro USB cable, support 3-4 hours using time after full charged. Specification: Color: Black Sound Effects: Sound+Amazing Sound+Germination+Deep Voice Change: Male to Female+Female to Male+Loli+Baby Voice Signal to Noise Ratio: 106dB Dynamic Range: 106dB Battery Capacity: 400mA/3.7V Battery Energy: 3.7W Charging Input: DV 5V/1A Item Size: 7.5 * 3.5 * 1.2cm / 3 * 1.4 * 0.5in Item Weight: 25g / 0.9oz Package Size: 11.5 * 9 * 2.5cm / 4.5 * 3.5 * 1.0in Package Weight: 106g / 3.7oz Packing List: 1 * Mini Sound Changer 1 * 3.5mm Audio Cable 1 * Micro USB Charging Cable Note: When you want it compatible with iPhone7/8/X/XR, the conversion cable must be needed ( conversion cable is not included.) For some game consoles, such as PS4, sometimes the voice changer may not work properly. To ensure normal use, please full charge the voice changer before use. When use the voice changer, please put the microphone near your mouth, so that your voice can be much clear.