Made of premium plastic material, this portable voice changer is small size and lightweight, you can carry it everywhere and change and beautify it on the go. With fine tuning function, you can make more realistic sound with it. Features -Color:Multi -Material:Plastic -Size:10.60X5.40X1.20cm/4.17X2.12X0.47in -Input voltage:5 V -Working time: 3-6hours -Signal to Noise Ratio: >=70db -Frequency Response: 100HZ-20KHZ -Battery capacity: 300-500mAh. -Sound channel: 2.1 - Just connect this voice changer to other devices, you can change the sound according to your needs. - Change anytime and anywhere, call friends, video chat, live and sing, shoot videos, and etc. - Multiple , change and beautify it, so much fun to use. - Portable and lightweight design, so this voice changer is convenient to carry to where you need. - With 8 interesting sound effects, perfect for live broadcast, entertainment, trick, and etc. Package list: 1 changer