Sabrent manufactures and markets technology products, including computer peripherals and consumer electronics. Hardware registers are used in the interface between software and peripherals. Most computer peripherals are themselves special-purpose computers. Updates have added support for Nintendo Labo peripherals as compatible controllers. All PC Engine systems support the same controller peripherals, including pads, joysticks and multitaps. Ultrafiche can be created directly from computers using appropriate peripherals. Telecom Italia also controls Olivetti, a manufacturer of computer peripherals and mobile phones. It was suitable for small peripherals such as keyboards and pointing devices. IBM initially announced a series of six computers and forty common peripherals. The brand is known for producing computer and mobile peripherals. This includes decisions on the performance-level and connectivity of these peripherals. The new rechargeable and wireless peripherals were also introduced that day. Other peripherals were released to add functionality. The OS has support for several classes of USB 2.0 peripherals. It does not include peripherals (such as keyboards and mice) or cases.