Mycelium Wallet is for the more adept bitcoin user - giving coin control features.
The wallet is backed by a large active development team that is continuously innovating.
Android Mobile is the main platform although the team has developed cold wallet prepaid cards too, that can act as a form of cold storage.
Mycelium Gear (https://gear.mycelium.com/). We have used it a few times, and it has worked really well. With Mycelium gear you can:
Mycelium Card (https://card.mycelium.com/) - The Mycelium card is the container for coins, not the access key to the account. The card is the user interface and POS terminal in one: it is equipped with a display and a keypad. The Mycelium card is battery operated, it allows completely autonomous operation. The Mycelium card can be connected to a computer through a Mycelium reader that allows charging the battery and accessing transaction records with a full-size interface. A user can complete up to few hundred payment operations with one charging cycle.
Mycelium Entropy (https://mycelium.com/mycelium-entropy.html) is a small USB device that uses hardware based entropy to generate printable Bitcoin paper wallets. Paper wallets are created in just 2 steps: