Kerv 第三方付費戒指 Philip Campbell

Kerv – the world’s first contactless payment ring
by Philip Campbell

募資
間單的 動作 就 讓你 在無意中 噴錢

不管在 何時何地 都可以 付款 不用 卡 不用 密碼 或 手機

 售價 £30 (Euro-zone €25, US $25, Canada $100, Australia $100, New Zealand $80, Ireland €15)

MasterCard® for higher-value transactions (it's a prepaid card, not a credit card, so there's no risk of getting into debt) 
他不是信用卡，是 小額付費預儲制

可以用手機設定

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