Supertron Electronics Ltd. Offers Multimedia Keyboard with 20 Hot Keys. Supertron Electronics Ltd. Is an ISO 9001:2000 certified company. The range of Multimedia Keyboard with 20 Hot Keys enables easy access of the Internet and multimedia. This product also features three ACPI keys. Multimedia Keyboard with 20 Hot Keys is specially designed for Windows 95, 98, NT, 2000 and XP.