Features: This voice changer offers multiple sound effects. Ideal for calls and entertainment with friends, online gaming, and more. It is a compact, portable, plug-and-play device that requires no driver installation. Connect using the included 3.5mm adapter: one end to your phone or other device, the other end to the top of the voice changer, and a headset to the bottom port. Ensure plugs are fully inserted for proper operation. Compatible with most mobile phones, computers, and tablets. The device features a 3.5mm interface and works directly with standard earphones and headphones. Specifications: Material: ABS Type: Standard Edition / With Headphones Size: Approx. 52 x 50 x 17 mm (2 x 1.96 x 0.67 in) Signal-to-Noise Ratio: 106 dB Mobile Phone Interface: 3.5 mm Charging Input: DC 5 V – 0.5 A Headset Interface: 3.5 mm Battery Capacity: 3.7 Wh Charging Interface: USB-C Charging Time: 0.5–1 hour Battery Life: 3–4 hours Note: 1. Please allow for a 1–2 cm measurement tolerance due to manual measurement. 2. Colors may vary slightly due to monitor differences. Package Includes: 1 x Voice Changer Set