https://support.coros.com/hc/en-us/community/posts/30813827104148-Does-Frontier-give-a-refund-Instant-Refund-Taken
https://support.coros.com/hc/en-us/community/posts/30813827104148-Does-Frontier-give-a-refund-Instant-Refund-Taken https://support.coros.com/hc/en-us/community/posts/30813827104148-Does-Frontier-give-a-refund-Instant-Refund-Taken