1. mini HW-KR18 computer keyboard 2.18keys keypad with USB retractable cable 3.Waterproof,Dustproof and even Washable mini HW-KR18 computer keyboard Features:• 18keys keypad with USB retractable cable• Waterproof,Dustproof and even Washable • Acid and alkaline-proof mini HW-KR18 computer keyboard