This 3-in-1 power bank may be used to charge your watch, phone, and headphones. 10000 mAh capacity. Wireless charging at 15 W.20 watts of wired charging via the PD port. Five watts is the charging speed for headphones.2.5 watts is the charging speed for the watch. A stylish and robust design. Simple to transport and move about. Complete protection is guaranteed by high-quality material.