Features: Ergonomic hand rest design with unique curve surface, reduces the pressure on the wrist, offering more comfortability. Built-in LED multiple dynamic light effects, with rainbow colors, more cool at night, to r gaming atmosphere. 35 keys, traditional manual learning key position, no need to adapt to the layout, get started directly. Light effect mode, Fn keys are combined with different key combinations to create different light effects. The keyd supports running on mutiple platforms, replaent for PS3, PS4, XBOX 360, XBOX one, SWITCH,etc.Specification:nd:Product name: One-handed gaming keydModel: V500Product interface: USB 2.0Press the number of keys: 35 keysKey life: 20 million timesProduct line length: 1.5mFlash ROM: 32 bytesEEPROM: Built-in 2K bytesOperating voltage: VDD=3.3V-5.5VWorking t: 100mAAmbient temperature: -40℃~ 85℃Programming temperature: 0℃~ 85℃Supported platforms: PS3, PS4, XBOX 360, XBOX one, SWITCHItem size:28.7*18*3.8 cm / 11.3*7.09*1.5 in(L * W * H)Item weight: Approx.340g /11.99ozPackage size:29*20*4 cm / 11.42*7.87*1.57 in(L * W * H)Package weight:350g /12.35oz