1). Directly Insert the USB interface, don't need other power supplies
2). Can availably clean the dust of keyset
3). Have the light for the purpose of absorb the dust effectively
4). The strength …
ECROBOT CO., Ltd, Business Registration Number : 220-88-71747, CEO J.W.Park, TEL : +82-2-552-7676, E-mail : E-mail : Contact us Address : (Hwanghwa B/D 11F, Yeoksam-dong)320, Gangnam-daero, Gangnam-gu, Seoul, South Korea