ASUS 0A001-00696800 is an EU-type AC adapter for notebooks, intended to power a compatible device. It is rated at 45 W and 19 V and has a 2-pin design.
The black wall adapter has a 5.5 × 2.5 mm DC plug without a centre pin. Its input is 100–240 V AC with a Euro-type plug, describing the mains and connector configuration of this specific part.
The ASUS X705BA, X705QA and X705UA notebook families are listed for this adapter, so check the model and connector details when identifying it. The full part number, output rating, pin count and plug dimensions distinguish it from other ASUS power supplies.