Model : W500 wireless mouse and keyboard combo Color : black color Keyboard 锛?04keys Mouse : 3D Mouse : 1200 DPI Receiver : nano receiver 1pcs High-footed keycaps, reasonable key stroke, more comfortable typing than low keycaps, and less fatigue 10M range wireless transmission 2.4Ghz wireless transmission technology, 360-degree sensitive control, 10 meters transmission distance, suitable for computers and laptops Product description: 1. Streamlined design of low keycap. 2. High-quality wireless 2.4G durable power-saving keyboard. 3. High-quality silver paste film buttons. 4. The effective distance of the receiver is 12M. 5. Water-repellent structure, elegant shape, 104 buttons arrangement. 6. Support operating systems such as XP, win7/win8/Linux/Mac OS. 7. Compatible with IBM PC/AT/USB2.0. Product function description: Standard 3-zone keyboard Electrical specifications: 1. Working voltage: DC+3V error 卤0.25V 2. Low voltage requirement: greater than 2V (can work normally) 3. Working current: when DC+3V,