Features • Design with clip, lightweight and handy, can hold in pockets or clip on notebooks. • Plug-and-play - No need to install driver, just simply plug into your computer's USB port. • Built-in 360mAh Lithium Rechargeable Battery. • Supported OS - Win 2000/XP/Vista/7/8/10 MAC OS, Linux, Android OS Package Includes 1 x Wireless Presenter remote control 1 x Ultra-Slim Wireless Receiver 1 x User Manual Meet up at any MRT stations along North East Line (Purple Line). Do give me 1 day in advance notice. Interested buyers, pls sms me at 96644722. Thanks for viewing.