Brand Razer Model Cyclosa+Abyssus Quantity 1 Color Black Material ABS Key Numbers 104 Connection Method Wired Power Supply USB Supports System Windows7/ Windows Vista / Windows XP or Mac OS X(v10.4 and above) Other Features Key Board Size: 45cm(L)*16.7cm(W)*3cm(H); The Feature of Keyboard: 1.Space efficient spillproof design; 2.1000Hz Ultrapolling /1ms response time; 3.Programmable keys; 4.10 customizable software profiles with onthefly switching; 5.Gaming optimized key matrix for minimized ghosting; 6.SevenfootLightweightnontangle cord; Mouse Size:11.5cm(L*6.3cmW*4cm(H; The Feature of Mouse: 1.1800dpi Razer Precision infrared sensor; 2.1000Hz Ultrapolling /1ms response time; 3.Ultralarge nonslip buttons; 4.16bit utrawide data path; 5.60120 inches per second and 15g of accelation; 6.Three independently programmable Hyperesponse buttons; 7.Scroll wheel with 24 individual click positions; 8.Sevenfootlightweightnontangle cord; Packing List 1 x Keyboard 1 x Mouse (Wire Length:200cm)