CoolWallet is an HD hardware wallet for cryptocurrencies. This is a state-of-art mobile storage for BTC, LTC, ETH, and XRP. The wallet sleek and light having a credit-card form. Besides, it is wireless.
The wallet features high-level of security. All the coins are kept isolated protected by Secure Elements (Common Criteria EAL5+). Confirmation of any transaction must be made via wallet's display.
The wallet syncs up with Android and IOS smartphones via Bluetooth. Still, the wallet has a complicated process of setting up (multiple checks for backing up access codes).