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 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.Spec:Item Type: Handheld Voice ChangerMaterial: ABSWeight: Approx. 140g/4.9ozColor: BlackBattery: Polylithium ion battery 500mAh (built in)Microphone D/A Input Channel Parameters: to Noise Ratio: 106dBDynamic Range: 106dBTotal Harmonic Distortion: 105dBAccompaniment D/A Channel Parameters: to Noise Ratio: 101dBDynamic Range: 102dBTotal Harmonic Distortion: 105dBVoice Frequency Interface: 3.5mmCharging Port: USB MicroCharging Input: DV 5V 1ABluetooth Version: V5.0packing list:1 x Handheld Voice Changer1 x 3.5mm Voice Frecuency Cable1 x Earphone1 x Microphone1 x Power Supply Line1 x Specification