... required AvailabilityAny color is available with our flexible keyboard. MaterialMade in silicone, environmentally protective and ideal ... : +5V DC ±% 250mAFlexible, foldable, roll-up, waterproofLayout: 49 keys waterproof keyboardWith portable mini retractable USB cablePerfect hand ... design, dustproof, washable, and made by siliconeRoll up Keyboard Communication: PS2, USB, COMBO(USB+PS2) Port ...