Specifications of CoolWallet

CoolWallet is credit card size 85.6 (L) x 53.98 (W) x 0.8 (T) (+)(-) 5% mm, with the view window size of the e-Paper display being 22.5 mm x 13.5 mm.

CoolWallet is configured with a SE (Secure Element: Common Criteria EAL5+ / EAL6+ certified) chip to store cryptocurrency private keys, a communication module including BLE (Bluetooth Low Energy 4.0), NFC (Near Field Communication), 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.

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