Razer BlackWidow Chroma V2 (Green Switch) RZ03-02030300-R3N1 Mechanical Gaming, USB, Keyboard layout Nordic, USB, Black, Chroma backlighting with 16.8 million customizable color options, EN, Numeric keypad, 1500 g Warranty 24 month(s) Gross weight 2.35 kg Net weight 2.00 kg Producer product family BlackWidow Chroma V2 (Green Switch) Type Mechanical Gaming Technical features Wrist rest USB required Yes Buttons type Fully programmable keys with on-the-fly macro recording. 10 key roll-over anti-ghosting. Game edition Gaming mode option Connectivity technology USB Producer product name RZ03-02030300-R3N1 Mouse included No Wireless connection No Backlight Green Illumination Chroma backlighting with 16.8 million customizable color options Bluetooth No Colour of product Black Connector type USB Compatibility Windows® 10 / Windows® 8 / Windows® 7 / Mac OS X (v10.8 - 10.11) Keyboard layout Nordic Keyboard weight 1500 g Numeric keypad Yes Keyboard language EN