Fangrui Product Details 1. 4g Wireless/bluetooth Keyboard And Mouse, Can Switch Between 4 Devices At Will. Support Desktop, All-in-one, Notebook, Tablet, Mobile Phone The Roller Adopts Rubber Non-slip Design For Comfortable Noise Reduction, Easy To Browse Long Web Pages. Built-in Battery, Fast Charging. Charge For 2 Hours, Enter Smart Power Saving Mode When Silent. Type:2.4g Wireless Keyboard Mouse Combo Name:wireless Keyboard And Mouse Set Connection Method:bluetooth Transmission Distance:less Than Equal 10m (no Gap) Rated Current:300ma Supported System:win/android/ios Colour:as Shown Material:abs Package Contents: 1 * Keyboard 1 * Mouse 1 * Cable 1 * English Instruction Manual 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.