This is a wireless air mouse + keyboard, it is fully achieved the functionality of traditional mouse and keyboard, By waving the mouse in the air to respond quickly converted to move the cursor on the screen. It is using the perfect combination of 3D+gyro instrument, you can be 360 degrees arbitrarily accurate operation. While handling it on the hand, just enjoy the comforts and conveniences brought to you, completely avoiding the traditional mouse’s disadvantage to be operated on the still desktop or drawbacks of infrared remote control key operation. You are not tired of lying down playing computer/TV. It is casual and you are completely "palm" to control your computer/TV entertainment.                                    Features            4 Choices of CPI for user selection, from 600 to Low voltage indication functionCompatible with common operating system such as windows XP, Vista, windows 7, Mac OS X, linux and androidCompatible with USB 1.1 and USB 2.0                                                            Specifications            Dimensions    7 x 1.81 x 0.87" / 17.8 x 4.6 x 2.2 cm (L x W x H)    <br>
Weight    5.82 oz / 165 g    <br>
Color    Black    <br>
Application    IPTV, Air-mouse, Set-top-box, keyboard for Personal computer, Media player, IPTV devices, Smart TV    <br>
Wireless    RF 2.4GHZ    <br>
Input    DC4.5-5V, 8-12MA    <br>
Output Power    0.05W    <br>
Work Scope    10-15m    <br>
Rating    Handheld device    <br>
Compatible System    Windows XP / Windows Vista / Linux / Window 8 / Mac OS X / Android OS    <br>
Interface    USB 2.0    <br>
Battery    AAA x 3 (not including)    <br>
                                                            Package Includes            1 x Wireless Air Mouse Keyboard<br>
1 x USB Controller<br>
1 x User Manual<br>