WIRELESS KEYBOARD AND MOUSE COMBO: RATEL wireless keyboard and mouse combo offer 104 key full-size keyboard with numeric keypad and a precision mouse, so you can work comfortably away from your computer or laptop. Warmly Note: 1. Not fully compatible with Mac System. 2. The USB Receiver is inserted on the battery compartment of the mouse. Just ONE nano receiver can connect both keyboard and mouse. STABLE 2.4G WIRELESS CONNECTION: 2.4 GHz wireless provides a powerful and reliable connecton up to 10m(33 feet) without any delays. One plug and play USB receiver (stored in the back of the mouse) for both keyboard and mouse without installing any additional software, ensures a strong and reliable connection. Just plug it into a USB port and you’re ready to go. LOW PROFILE KEYS & SILENT MOUSE: The advanced crater switch can reduce noise, sleek, streamlined, elegant and compact keyboard design let you enjoy comfortable and smooth typing. We won’t call the keyboard "whisper quiet", but it's definitely much quieter than an traditional keyboard, especially the old-fashioned mechanical keyboard.Exceptionally silent mouse can reduce 98% clicking noise, showing your love and care to your surroundings especially in library, coffee shop or late work at night. EFFICIENT & COMFORTABLE KEYBOARD AND MOUSE COMBO: Compact Full-size keyboard includes fast-access hot keys, versatile function keys and built-in number pad. Keeps access to applications and media control in easy reach, the numeric keypad is also great for spreadsheets and finance applications. 1600 DPI allows you to gain more precise control, track more smoothly over a variety of surfaces. Contoured shape fits your hands perfectly, reducing hand fatigue. UNIVERSAL COMPATIBILITY AND BRILLIANT CUSTOMER SERVICE: Compatible with Windows 2000 / ME / XP / Vista / 7 / 8 / 10. Work well with desktops, Chrome-book, PC, Laptop, Computer and more. RATEL 24 hours stand-by professional customer service promise to give you a satisfied solution and every RATEL products with 12-Months warranty. The keyboard need 1 x AAA battery and mouse need 1 x AA battery (not included).