A power adaptor is a device that helps provide electricity to something that needs it, like a phone or a computer. It connects to an electrical outlet and allows the device to charge or operate properly. Full definition
This includes a snap - on rear case in either karbon, bamboo, rosewood or black apricot for $ 24.95 each; a sandstone case for $ 19.95; a flip cover in black, gray or sand for $ 19.95 each; a tempered glass screen protector for $ 12.95; a Dash Charge USB Type - C cable for $ 14.95; a Dash Charge power adaptor for $ 19.95; and a Dash Charge car charger for $ 29.95. (bgr.com)
This grouping included the watch, a premium HR monitor with chest strap, a spare bright orange watch band (the one that comes on the watch is black), extra screws, a torx tool for swapping out the band and opening the back of the watch, a USB data / charging cable, an AC power adaptor with power plug, and a quick start guide. (digitaltrends.com)
USB 2.0 (micro-B connector) to connect to a PC / Macintosh computer, or to charge your device with the included power adaptor; microSD slot for external storage (amazon.co.uk)