- Charge up to 3 wireless devices at once with the Zens Dual+ Watch 20W charging dock - It's compatible with all Qi gadgets, so your AirPods, Apple Watches can all be juiced up at once - Your wearables and smartphones will get a super-quick charge, thanks to Apple and Samsung fast charge support - It's Qi and MFi certified, so you know it's safe for all  your gadgets - The included power adapter is perfect for travel, working with UK, EU, and US sockets