Ultra Silent Thin 2.4GHz Wireless Small Keyboard and Mouse Set Kit for Desktop Notebook

Specification: 1. Item: mouse and keyboard set 2. Color: Black, Blue, Yellow 3. Frequency: 2405MHZ-2476MHZ 4. Battery: 1 *AA battery(not included) Mouse parameter: Dpi: 1500 Rate of reture: 250Hz Wireless distance: 30M Operation voltage: 1.5V Working current: 11mA(mouse) Button life: 300,0000 mouse size: 113x64x32mm Keyboard parmeter: Wireless distance: 15M Operation voltage: 1.5V Working current: 1.5mA Key life: about 1000,0000 keyboard size: 289x140x26.5mm Features: 1. 2.4G wireless transmission technology, can up to 30 meters. 2. Ultra quiet mouse and keyboard, will not disturb other persons. 3. Mini portable design, easy to carry. 4. Chocolate keycap design, gives you a more comforable hand feeling. 5. Strong compatibility, not matter your devices is desktop, laptop or server, system is Windows for Mac. Package included: 1 * Mouse 1 * Keyboard 1 * Usb recceiver 1 * User manual