The listings show two connector types: USB‑C (one listing includes a USB‑C cable) and Micro‑USB (an Adaptive Fast Charging Micro‑USB wall charger).
Depending on the listing, you’ll get either a USB‑C cable included or a detachable micro‑USB-to‑USB cable.
Yes — one listing specifies an input range of 100–240 V AC, indicating broad international compatibility; the 2 A charger is described as using a standard wall outlet.
The 45W adapter listing mentions protections against overcurrent, overheating, and short circuits, and also notes a low standby power draw (below 5 mW) when not in use.
Listings mention compatibility with Samsung Galaxy phones and tablets, other USB‑C–enabled devices (smartphones, tablets, etc.), and Micro‑USB devices that can charge at up to the listed 2 A rate.
The 45W adapter listing states a low standby power consumption of below 5 mW when not in use.