87 keys silicone keyboard: 1.waterproof and washable, roll-up, made of silicone 2.Communication: USB1.1, PS/2 & USB+PS/2 · Brand new,Top Quality· innocuity.· Unlike normal keyboards, Simply use a damp cloth to wipe up spilled liquids such as water, coffee or tea· Waterproof,Great durability· Soft touch and with no noise while typing· Ultra slim, lightweight keyboard rolls up for easy storage· ...