Fangrui Product Details Connection Mode: Bluetooth Bluetooth Version: Bluetooth 4.0, Support Bluetooth 3.0 Battery Type: Built-in Rechargeable Battery, Charge 2 Hours To Full. When The Cursor Moves Slow, It Needs To Be Charged. Dpi: 1000 1600 Dpi Mode Button Quantity: 3 Size: 114 X 58 X 20 Mm Product Weight: 76g Applicable System: Windows Xp Vista 7 8 10 2003 Android Ios Applicable Device: Computer, Smart Phone, Tablet, Smart Tv (support Bluetooth) How To Pair The Mouse: 1. Turn On The Power, Long Press The Bottom Button And The Blue Light Will Flash. 2. Turn On The Bluetooth Setting On Your Device, Search And Pair The Mouse. Colour:white Material:plastic Package Contents: 1 X Wireless Bluetooth Mouse 1 X Usb Charging Cable Only The Above Package Content, Other Products Are Not Included. Note: Light Reflection And Different Displays May Cause The Color Of The Item In The Picture A Little Different From The Real Thing. The Measurement Allowed Error Is +/- 1-3cm.