Special waterproof keyboard KM-40（c）

KM-40(c) is a 40-key waterproof keyboard. Buttons use all-natural high-quality silicone rubber，have a waterproof and dustproof effect.

Special waterproof keyboard KM-40（d）

KM-40(d) is a 40-key waterproof keyboard. Buttons use all-natural high-quality silicone rubber，have a waterproof and dustproof effect.

Special waterproof keyboard KM-40（e）

KM-40(e) is a 40-key waterproof keyboard. Buttons use all-natural high-quality silicone rubber，have a waterproof and dustproof effect.

Special waterproof keyboard KM-40（f）

KM-40(f) is a 40-key waterproof keyboard. Buttons use all-natural high-quality silicone rubber，have a waterproof and dustproof effect.

Special waterproof keyboard KM-42（a）

KM-42(a) is a 42-key waterproof keyboard. Buttons use all-natural high-quality silicone rubber，have a waterproof and dustproof effect.

Special waterproof keyboard KM-42（b）

KM-42(b) is a 42-key waterproof keyboard. Buttons use all-natural high-quality silicone rubber，have a waterproof and dustproof effect.