Sub 10W Qi Certified Waterproof Wireless ChargerYour Wireless. Your Way. ROKK Wireless With factory fit in mind, Sub is designed to seamlessly integrate into your interior or exterior design. Product Information. Engineered to bond underneath & wirelessly charge through all non metallic materials; GRP, fabric, leather, wood, carbon fiber, and all leading marine traction products, e. g SeaDek and MarineMat. The result is wireless phone charging capabilities with your finished aesthetic. The IPX6