What is inside CoolWallet S? Technical Features?

CoolWallet S is configured with a SE (Secure Element: Common Criteria EAL5+ certified) chip to store Crypto currencies 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), a rechargeable battery and an OTP (One Time Password) generator.