EH0318B Features 2.4GHz wireless technology High-sensitive touchpad QWERTY mini keyboard Built-in high capacity rechargeable battery Ergonomic design， convenient to operate Laser pointer with remote control Great for multimedia teaching， presentation， conferences and other events General Specs Brand & Model Rii RT-MWK01+   Wireless Technology 2.4GHz RF Operating Range Up to 10 m/30 feet Battery Built-in rechargeable lithium battery Package Details Weight: 233.26 g Size: 18.5*9*4 cm Package Includes * Rii RT-MWK01+ 2.4GHz Wireless Keyboard Mouse Combo with Laser