Razer BlackWidow Chroma V2 (Yellow Switch) RZ03-02032300-R3M1 Mechanical Gaming, USB, Keyboard layout EN, USB, Black, Chroma backlighting with 16.8 million customizable color options, EN, Numeric keypad, 1500 g Warranty 24 month(s) Gross weight 2.36 kg Net weight 2.00 kg Connectivity technology USB Game edition Gaming mode option Buttons type Fully programmable keys with on-the-fly macro recording. 10 key roll-over anti-ghosting. Connector type USB Technical features Wrist rest Type Mechanical Gaming Producer product name RZ03-02032300-R3M1 Producer product family BlackWidow Chroma V2 (Yellow Switch) Mouse included No Keyboard language EN Numeric keypad Yes Keyboard weight 1500 g Keyboard layout EN Compatibility Windows® 10 / Windows® 8 / Windows® 7 / Mac OS X (v10.8 - 10.11) USB required Yes Colour of product Black Bluetooth No Illumination Chroma backlighting with 16.8 million customizable color options Backlight Orange Wireless connection No