Features:W/A/S/D are arranged in anteroposterior, with four groups of game buttons, red keycaps and recessed design, so you can facilitate touch the middle row and quickly locate each button.Wide keyboard wrist rest and reasonable ergonomic design allows you to play games freely.The direction switch button makes it easy to switch freely between the W/A/D/S buttons and the arrow buttons .Portable and compact, this Bluetooth keyboard can be easily stored in a backpack and pocket. Easy to carry around.Double space bar design, suitable for left and right hands.Perfect gift for yourself or your friends.Specification:Product name: Single-handed Gaming KeyboardMaterial: PlasticNumber of Keys: 41Interface: USBWire Length: About 1.5m/59.06in(Exposed)Applicable for: Windows XP / Vista / 7 / 8 / 10 /Mac OS X Size: app.170x35x224mm/6.69x1.38x8.82inColor: BlackQuantity: 1pcNote:Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank youPackage includes:1 x Single-handed Gaming Keyboard(other accessories demo in the picture is not included.)