GH-198 USB 驱蚊器
You can use this item like a USB set. No mosquito around you when you use your computer.
1 Connect with the your computer or laptop USB
2 It will begin to work and you can hear the sound like dragonfly wings
3 Disconnect the item with your computer or laptop if you turn off your computer or if you do not need to use the item.
● This item imitates the sounds of dragonfly wings' vibration to repel mosquitoes because dragonfly is the natural ememy of mosquito.
● Saving energy, powered by computer, laptop, USB connection
● Easy to carry with you