Brand: Sanyo
The Sanyo M-22 is an older model consumer electronics product that was likely released by the Japanese company Sanyo Electric Co., Ltd. In the early 1990s. Without further information, it's difficult to determine the exact product line or type of device that the M-22 might be. Sanyo has produced a wide range of electronics over the years, including televisions, cameras, CD players, batteries, and solar panels, among other products. Some possible device options for the M-22 include a mobile phone or cordless phone, a personal CD player, a battery pack for use with electronic devices, or a solar panel. To narrow down the possibilities, additional context or product information would be necessary.