Catalog number: N19-23 Features: ● A helmet equipped with a high-performance fan that allows you to adjust the airflow. ● A helmet that can be used in any field. ● Two-stage airflow adjustment. Specifications: ● Color: White ● Head circumference (cm): 54-60 ● Power source: 4 AA batteries or mobile battery, * Eneloop batteries are recommended ● Continuous use time (h): Maximum approx. 19 ● Continuous operation time: (When using 4 Eneloop 1900mAh batteries) Strong: approx. 7 hours, Weak: approx. 17 hours ● Continuous operation time (When using 4 Eneloop 1900mAh batteries) Strong: approx. 7 hours, Weak: approx. 17 hours Material/Finish: ● ABS resin Set contents/Accessories: ● Battery box cable ● Battery box ● USB cable with airflow adjustment
