The Asus PW100 Wireless Charging Stand uses the Qi Charging System to refresh the tablet's battery. Without wires, switching from portrait to landscape is a snap, and the design allows you to prop up your slate at a 60 degree angle. Because it uses Qi, any other device you own that works on the same recharging standard can be recharged using the dock. An LED indicator lets you know when your battery is charging. And as you can see from the video below, the PW100 Wireless Charging Stand uses a pyramid shaped design.
Either accessory will do a good job giving you a great viewing angle in each orientation. Both will be available from Amazon and other retailers, although there is no date of availability. The Asus Dock for the Nexus 7 (2013) will be priced at $49.99 with the PW100 Wireless Charging Stand expected to cost $89.99.
source: Asus via SlashGear