Amazon.com: BoxWave Keyboard for Panasonic Toughbook 31 CF-31 (Keyboard by BoxWave) - AquaProof USB Keyboard, Washable Waterproof Water Resistant USB Keyboard for Panasonic Toughbook 31 CF-31 - Jet Black : Electronics
Amazon.com: 100% Original 15.6V 7.05A 110W 5.52.5mm CF-AA5713A M1 Power Charger for Panasonic Toughbook CF-31 CF-53 CF-52 CF-19 Laptop AC Adapter : Electronics
Amazon.com: DVD-RW Multi CD DVD Drive for Panasonic Toughbook CF-31 laptop : Electronics
Amazon.com: Panasonic Toughbook CF-31 MK4, i5-3340M 2.7GHz, 13.1 XGA Touchscreen, 8GB, 256GB SSD, Wi-Fi, Bluetooth, Black Edition, Windows 10 Professional 64-bit (Renewed) : Electronics
Amazon.com: BestParts Stylus Touchscreen Pen with Tether Strap Rope Replacement for Panasonic Toughbook CF-74 CF-53 CF-52 CF-30 CF-31 CF-29 Touch Screen Version : Cell Phones & Accessories