With the increasing demand of battery-free gadgets, Royche, retailer of A4Tech has come up with ‘NB-57D’, which is a battery-free wireless optical mouse. No wonder once again it is a Korean company.

Featuring ‘2XClick button‘ to facilitate users to click just one time instead of double-clicking, and ‘office button‘ to run programs instantaneously even without moving a mouse cursor, the optical mouse runs on a mouse pad powered by a USB port and exhibits a compact body of 10g.

The NB-57D also presents a solution to conventional signal interruption problem, owing to new RF wireless technology. Right now, the product is available only in Korea for about 20,000(KRW).

Via: aving.net41636