Wireless power transfer device

FIG. 1 is a perspective view of a wireless power transfer device showing our new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom view thereof;

FIG. 6 is a right side view thereof;

FIG. 7 is a left side view thereof; and,

FIG. 8 is a reference perspective view thereof in use, wherein the wireless power transfer device is connected to a power supply unit for wireless power transfer, which is for illustrative purpose only and form no part of the claimed design.