Wireless Keyboard Mouse Combo, 2.4GHZ Ergonomic Keyboard Mouse Set with Rechargeable Battery, Portable Adjustable DPI Keyboard Mouse for Office

How to Use: Direct use. Specification: Item Type: Keyboard Mouse Combo Material: ABS Product Wireless Distance: Approx. 10meters / 10.9yd Working Voltage: 3V Frequency: 2.4G Battery Capacity: Mouse 500mah Lithium Battery (Ship with Inbuilt Battery) Keyboard 250mah Lithium Battery (Ship with Inbuilt Battery) Engine: Optical Button Life: 5 Million Times Applicable System: For Windows 95, for WIN98, for NT, for ME, for WIN2000, for XP, for vista Package List: 1 x Wireless Mouse (Ship with Inbuilt Battery) 1 x Wireless Keyboard (Ship with Inbuilt Battery) 1 x USB Receiver 1 x Charging Cable