feature: - The wrist rest is suitable for left-handed users, easy to control and user-friendly. - Exquisite appearance, large and soft palm rest to ensure you stay long and not tired. - Easy-to-access, dedicated multimedia controls for easy and fast switching between games. - 28-key, portable design, easy to carry anywhere, anytime, perfect for one-handed control. specification: - Brand: FREEWOLF - Model: K11 - Key number: 28 - FN ESC: ON / OFF backlight - FN ALT: Breathing backlight - FN 1/2/5: F1 / F2 / M function - FN 3/4: Brightness / - - Keystroke life: 鈮?0 million times or more - Operating temperature: 0~45掳C - Operating voltage: DC 5V - Key strength: 鈮?.5KG - Operating system: for Windows2000 / XP / VISTA / 7/8/10 / MAC / ios / android and other systems - Interface: USB 2.0 - Line length: 1.2 meters