For smartwatch

[Wesman4331]

Q18 sim card for the smartwatch

 

[B. Diddy]

Welcome to Android Central! What exactly are you asking? Are you asking what size SIM is needed for a Q18 smartwatch? Or what carriers it's compatible with?

This site says it's a microSIM: http://tomllo.com/index.php?route=product/product&product_id=665