Features: 1.Great Performance: 10 sound change modes, 8 fun sound effects, combined with the use of sound changes and fine tuning to make the sound more true. 2.Functions: The external sound card has the ability to beautify sound, change sound, karaoke function and fine tuning function. You can use the fine tuning button to adjust each sound and get more different sound effects. 3.Portable Design: Compact sound changer, easy to carry, just plug and play, no need to install any driver, very suitable for indoor and outdoor use. 4.Fun to Use: You can disguise your voice when you talk to others, especially in on line games where no one knows who you are. You can even play different roles in the game to surprise your friends. 5.Multiple Applications: Mini sound card is suitable for mobile phone, computer, DJ, music studio recording, capacitive microphone, online karaoke, podcast, live streaming, etc. specification:Item Type: Handheld Voice Changer Material: ABS Weight: Approx. 140g/4.9oz Color: Black Battery: Polylithium ion battery 500mAh (built in) Microphone D/A Input Channel Parameters: Signal to Noise Ratio: 106dB Dynamic Range: 106dB Total Harmonic Distortion: 105dB Accompaniment D/A Channel Parameters: Signal to Noise Ratio: 101dB Dynamic Range: 102dB Total Harmonic Distortion: 105dB Voice Frequency Interface: 3.5mm Charging Port: USB Micro Charging Input: DV 5V 1A Bluetooth Version: V5.0 PackageList:1 xHandheld Voice Changer 1 x 3.5mm Voice FrecuencyCable 1 x Earphone 1 x Microphone 1 xPower Supply Line 1 x