Battery Power: 3.7 Wh Color: Black Charging Input: DC 5V/1A Dynamic Range: 106dB Material: ABS Size: 7.5 * 3.5cm Battery Capacity: 300mA / 3.7V Signal/Noise Ratio: 106dB Type: Voice Changer Battery Efficiency: Approximately 3-4 hours on a full charge Features Voice Changer with 7 different voice variations, male to female, female to male, little girl, baby, magical voice, deep voice, Optimus Prime. Works on all phones, computers, tablets, iPads, PS4 consoles, XBOX consoles, and all gaming platforms. Very small, portable, plug and play, very easy to use, and no driver installation required. This voice changer is a must for phone calls and entertainment with friends, voice changes for online gaming, and much more. The contact for this voice changer is 3.5 mm, use only the audio conversion cable with a 3.5 mm contact, it can be used directly on your favorite earphones or earbuds. What's in the package: 1* Mini Voice Changer 1* Audio Cable 1* USB Mini Charging Cable 1* Manual Note: There may be slight differences or minor color variations due to manual measurement or photography.