The Coin's screen displays the credit card brand, the last 4 digits of the card number, and the expiration date on a digital display. There's a signature panel on the back. Search “app store上架規範 【TG电报∶@AB5579】 【安卓苹果商店上架】app store上架規範 【TG电报∶@AB5579】 【安卓苹果商店上架】w0m” from Slim Down Your Wallet with a Card That Does the Work of Eight Credit Cards

Search “app store上架規範 【TG电报∶@AB5579】 【安卓苹果商店上架】app store上架規範 【TG电报∶@AB5579】 【安卓苹果商店上架】w0m”

The Coin's screen displays the credit card brand, the last 4 digits of the card number, and the expiration date on a digital display. There's a signature panel on the back.