Feature: 1. FINE TUNING: This handheld sound changer has at least 7 different sound changes, and you can use the fine tuning button to adjust and make you get more different sounds. 2. 8 EFFECTS: With 8 kinds of interesting sound effects, also provide rich simulation scene modes, such as KTV, DJ, phonograph, and recording studio. 3. WIDE COMPATIBILITY: Can be used on any mobile phone, computer, tablet, game console, switch. You need an adapter when using on computer. 4. EASY TO USE: Plug and play, no need to install any driver, just connect the voice changer with the device, compact in size and convenient to carry. 5. INTERESTING LIFE: You can change your voice when you talk to others on phone calls or gaming, make your life more interesting. Specification: Item Type: Voice Changer Material: ABS Color: Black Battery: Polymer lithium ion battery (built in) Battery Capacity: 300mAh Charging Interface: Micro USB Mobile Phone Interface: 3.5mm Headphone Connector: 3.5mm Signal to Noise Ratio: 106dB Dynamic Range: 106dB. Package List: 1 x Voice Changer1 x USB Charging Cable1 x 3.5mm Audio Cable1 x User Manual Note: 1. The mobile phone needs to be equipped with a transfer cable, and the transfer cable must have the sound transfer function (it is recommended to use the original cable), otherwise there is no sound output;2. To use the product, you must plug in a headset with a microphone and speak into the headset's microphone.3. Audio phone jack and headphone jack, please be careful not to plug in the opposite way, plug in the opposite way will cause the inability to use.