Brand: Nahamo Connectivity technology: RF, USB Special features: Backlit Colour: Black Number of keys: 61 About this item ☞61 keys compact design, not only retains the commonly used keys in the game, but also enlarges mouse space on the right hand infinitely, easy to carry. ☞BT/USB wired dual-mode connection, support multiple devices, can connect with three BT devices simultaneously. 10m wireless transmission distance, detachable Type-C cable, portable and durable. ☞Two-color injection molding suspension key cap, not easy to fade and wear, comfortable typing. ☞12 kinds of mixed light effects, cool and elegant, easy to switch. ☞12 kinds of mixed light effects, cool and elegant, easy to switch Product description Specification: Model: STK61 Color: Pink/Black/White(optional) Mechanical switch: Blue switch/red switch optional(for pink/white keyd), brown switch/blue switch optional(for black keyd) Transmission type: USB wired&BT 5.0 Key number: 61 Interface: Type-C Backlight: 12 kinds of mixed light effects Battery capacity: 1000mAh Cable length: About 1.6m System requirement: Wired mode: Win8/Win10/Android/iOS/Mac, BT mode: Win8 and above Item size: 29.1 * 10.2 * 3.9cm /11.46 * 4.02 * 1.54in Item weight: Approx. 550g /19.4oz Packing list: 1 * Keyd 1 * Charging cable 1 * User manual