Promotional Chargers & Accessories, Chi-Charge Stack Foldable 3-In-1 Fast Charge Mat For Apple And Android - Wireless, Charging multiple devices at once while on the go just got easier. The Chi-Charge Stack is our brand new compact device that can wirelessly charge a compatible phone, watch, and earbud case all at the same time. It is a powerful device that makes a powerful statement. Note: Wall charger is not included. ... #2176 $40.58/each.