Digital and Electronic Device Design Power Elf II Device Power Hub by Zhuhai Tessan Power Technology Co., Ltd. Power Elf II is a desktop power hub designed for charging multiple devices. Wired and wireless charging are combined in a compact housing measuring 70 by 70 by 60 millimetres. The hub offers 65W USB fast charging, dual AC outlets, a retractable cable and a detachable magnetic wireless module. The wireless module can be docked on top or separated for bedside or handheld use. A silicone suction base keeps the hub stable during frequent plugging. The housing is made from flame-retardant engineering materials, and internal zoning separates high and low voltage parts.