What Is Inside CoolWallet S? Technical Features?

CoolWallet S is configured with a SE (Secure Element: Common Criteria EAL5+ certified) chip to store cryptocurrency private keys, a communication module including BLE (Bluetooth Low Energy 4.0), NFC (Near Field Communication), an e-paper display (bistable, ultra-low power consumption, good contrast ratio 7:1, wide view angle (almost 180 degrees and readable under sunshine), durable/pressure resistant), and a rechargeable battery.