Features: All in one: Wireless Mouse + Wireless Keyboard + TV Remote, etc. Switch between PC and TV mode with LED indication. IR Learning Function, capable to control various appliance. 2.4GHz wireless USB dongle, plug-and-play, no driver required. Ball-mouse design: rolling the ball controls mouse pointer. Unique Zoom In/ Out function, more clearly to browse webpage. Special keys for Multi-media control. Application: TV/ Smart TV, PC/ HTPC, DVD/ Media Player, Home Theater, Set-top Box, etc. Specifications: Control distance: up to 10m/ 32ft System supported: Windows/ Android /Mac OS/ Linux Battery: 2 * AAA (not included) Item dimension: 20.3 * 7 * 2.7cm/ 8 * 2.8 * 1.06in Item weight: 113g/ 3.98oz Package dimension: 21.5 * 9.7 * 4cm/ 8.5 * 3.8 * 1.6in Package weight: 180g/ 6.34oz Package list: 1 * Mouse Keyboard Remote Control 1 * USB Dongle 1 * User Manual