Prevents the credit card, IC card, and aptitude card from losing
Reminder alarms or vibrates intermittently when card is taken out
Smart MCU-controlled design
Card size, easy to carry
Holds 3 to 5 credit cards
Surface colorful printing accepted upon your requests
Battery: 3V, CR2032 (included)
Size: 8.4 x 5.3 x 0.55cm