Shenzhen Kaisere Technology CO., Ltd.

BlueTooth & Fingerprint

Electronic display Digital Currency Card

Electronic display Digital Currency Card

RFID & NFC, Fingerprint, Bluetooth

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Digital Currency Card



Display contents

Digits, QR code, Characters




NFC, Fingerprint, Bluetooth


ISO7816, ISO14443A




English, Chinese, French,  German, Japanese, etc.




Bitcoin wallet, Identification,  Authentication, etc.

1. Product Description

Kaisere's Digital Currency Card has abuilt-in high-performance security chip and a low-power electronic  paper screen, a Bluetooth module and touch button modules, and can be customized to configure the OTP module. SDK can be provided for second development. Developers can develop applications to control the display content and the functions that need to be implemented, including payment, location, attendance, tracking, etc., and can establish communication with the mobile phone through Bluetooth.


It can be used in many fields, including electronic wallets, all-in-one cards, membership cards, password vault, employee cards, electronic ticket cards, smart password keys, social security currency cards,  game currency cards, hospital cards, school cards, parking cards, Internal shopping card and other related applications that need to display card information.

2. Product Compositions

• Electronic paper display (E-ink Dot-matrixdisplay / Segment display)

• Security chip SEKey component (Mainly provided by payment system providers)

• NFC chip (Optional)

• Touch button modules (Optional)

• Fingerprint module (Optional)

• Bluetooth module (Optional)

• RFID chip (Optional)

• Other electronic components

3. Product Features

A. Patented cold lamination technology, making ultra thin card, thickness is only 0.84~1.6mm

B. Size is same as credit card, easy to putinto the wallet

C. SDK for second development

D. Low-power electronic paper screen

E. ISO 14443 and Bluetooth communication interface

F. Extended API allows applet to control keypad and display

G. Rechargeable Battery

4. Product Functions

A. Based on smart card secure element chip, generating and storing the private key locally.

B. Absolutely cold wallet, private keys nevertouch the Internet, safe and worry-free.

C. Display screen and buttons, every transaction is visible and digitally signed, which can be checked atany time.

D. Full alphanumeric keypad on the device, entering your Pins and recovery phrases has never been more secure.

E. Replaceable smart card, unlimited wallet supported and easy for backup.