The Logi USB-A to USB-C adaptor enables Logitech USB-C devices — including webcams, keyboards, mice, and receivers — to be used with USB-A ports. Designed with a power protection circuit that allows charging only from the host (a laptop, for example) to the device, protecting the host from possible damage. (1) Supports charging of USB-C connected devices up to 5 V / 0.5 A Backed by a 2-year limited hardware warranty.