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 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 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. Voice Changer Handheld Voice Changer Device 8 Sound Effects Machine for Phone Calling Gaming Item Type: Voice Changer 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 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 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 cause the inability to use. Color: Black Material: plastic Package Contents: 1 x Voice Changer 1 x USB Charging Cable 1 x 3.5mm Audio Cable (Cable color is random, no specified color is accepted) Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.