Cafago offers the JE UT-20 Wireless Charging Qi Mouse Pad in several colors (Black pictured) for $19.34. Coupon code "MAPAI2" cuts it to $15.48. With free shipping, that's the lowest price we could find by $5. It charges compatible Galaxy smartphones, iPhone X, and other Qi-compatible devices.

Note: This item ships from China and may take up to three weeks to arrive.