Item specifics:<br /><br />    Fits for all the devices which has the bluetooth functions.<br />    Entirely in accordance with Bluetooth 2.0&amp;HID Profile V1.0 Fully support AFH hopping technology， high anti-interference ability.<br />    Using bluetooth technology， 10 meters distance usage.<br />    Suitable for Windows 7/XP/Vista Android 3.1 + Tablets.<br />    Lightweight design is ideal for travel.<br />    Powered by two AAA batteries (Not included)<br />    Color: Black/White/Red/Blue<br />    Size: 110 x 60 x 20 mm<br /><br />Please  note:<br />     In order to sync the mouse with your Bluetooth device， simply hold the left， right， and scroll buttons at the same time for 15 seconds or until your device senses the mouse<br /><br />Package Included: <br />    1x Bluetooth Mouse<br />    1 x Instruction