I found the supplied USB A-C cable would only charge at 5W even plugged into a PowerIQ port, but using a proper C-C charger got full speed. I love the look and color. I would have it known that the containers are attached. It still feels sturdy and plastic is more durable than metal. Great for keeping my feet in the soles when walking down steep hills on the trails. Ive had the product for 2 weeks. *Original Review*I normally wear a size 9, so that is what I ordered. Cons:- Special proprietary plug format means that you have to get your power supply from Microhard. This is not suitable for indian conditions. Just beautiful!