RND Dock for HTC M9 with USB Port (Compatible with or Without a Slim-fit case) (Black) Our dock provides the ideal accessory for charging and syncing in an easy viewable position and is made with the highest quality plastic and nickel plated connectors to ensure fast stable and reliable charging. Our removable dock sleeve allows it to be used with some devices without removing your case. (Will only work with slim 1-2mm cases) The USB port on the back is an awesome feature that allows you to charge small devices like wearables and speakers. Compatible With: HTC M9 RND Power Solutions products comes in professional retail packaging and offers a 1 year hassle free warranty. 100% Customer Satisfaction is our Goal. PLEASE BE CAREFUL when buying products on Amazon and only buy from trusted sellers. Sellers without authorization may sell an inferior quality product carrying no branding. Examples of some trusted sellers would be RND Power Solutions and Amazon. Authentic RND Power Solutions products will have our branding on the product and packaging.