A compact size number keypad with USB hubs, waterproof, washable, and made of silicone

Detachable and retractable USB cable for convenient carrying

Compatibility: IBM at Microsoft Windows Vista, XP, 2000, ME, and 98

Communication: USB and combo (USB + PS/2)

Dimensions: 135 x 88 x 12mm

Layout: 19 keys + 4 multimedia keys

Key height: 4.0mm

Net weight: 90g

Key lifespan: > 5,000,000 times

Electrical data: +5V DC, 250mAh

Operating temperature: -30 to 80°C

Protection level: IP67

Color: solid colors, transparent colors, and any custom colors

Approvals: CE, FCC, and RoHS