Flexible mini keyboard made of silicone, the keyboard has no poisonous evil smell, according to the requirement of the environmental protection, it is a kind of creative new product No noise while typing Harmless to the human body with excellent softness Portable with the proper size to fold or roll Resistance to the water or dust Easy to work for its shape design Excellent and various in colors Long durability (one million life cycle of key) Specification compatibility: Microsoft Windows 98/2000/XP/Vista/Me Communication: USB, combo (USB + PS2) port color: black, any color as require Total travel: 2mm ±4 Any color as require layout: 84, 103, 104 keys Total travel: 2mm 414084 Packing style: color box Packing info: Color box size: 410 x 150 x 30mm Carton size: 490 x 430 x 300mm or 530 x 430 x 430mm Quantity: 30pcs/ctn or 48pcs/ctn