Coin uses a low-power Bluetooth signal to communicate with the app. If you ever leave your Coin behind while buying coffee, your phone will receive a notification asking whether you left without remembering to take your card. A phone is not required to use the card, however. Search “비트코인구매→『텔레그램-coin2002』비트코인송금𓇋🎶𓇚가상화폐구매리플환전♡” from Slim Down Your Wallet with a Card That Does the Work of Eight Credit Cards

Search “비트코인구매→『텔레그램-coin2002』비트코인송금𓇋🎶𓇚가상화폐구매리플환전♡”

Coin uses a low-power Bluetooth signal to communicate with the app. If you ever leave your Coin behind while buying coffee, your phone will receive a notification asking whether you left without remembering to take your card. A phone is not required to use the card, however.