Product specifications:Key life: more than 30 million clicksProduct interface: USB interfaceNumber of keys: 104 keysKeyboard cable: 4-core anti-pull wireDisassembly of hand rest: supportSupply voltage: + 5.0V + 0.5Working current: 180mAProduct weight: G.W 1.5kgSystem requirements: Windows Vista/7/8/isOProduct size: 470mmX 180mmX 25mmErgonomics: suitable for left and right handsProduct interface: USB interfaceNumber of keys: 6 keysKeyboard cable: 4-core anti-pull wire4 DPI: 800/1 200/1600/2400Supply voltage: +5. 0V + 0.5Product weight: G.w0.3kgWorking current: 180mASystem requirements: Windows Vista/7/8/isOProduct size: 132mmX 70mmX 35mmpacking list:1*keyboard and mouseWelcome to the shop. I wish you a happy shopping and a good mood every day. If you have any questions, you can contact us We will reply to you within 24 hours!