SL084H is a wristband type high-frequency reader that conforms to ISO14443A/B, ISO15693 and other multi-protocols. Its working frequency band is 13.56MHz, which can help to communicate with Bluetooth-enabled devices such as mobile phones via Bluetooth. It is applicable to android Bluetooth 4.0 or its above mobile phones and IOS iPhone 4S or its above mobile phones. The device is small in size and easy in operation. It can be flexibly applied to personal, merchant management and operation of campus cards, bus cards, bank cards, micropayment cards and other application scenarios.