POLAR Loop Smart Screen-Free Wearable Health & Fitness Band with 24/7 Heart Rate, Sleep & Activity Tracking, Automatic Training Detection, No...

POLAR Loop Smart Screen-Free Wearable Health & Fitness Band with 24/7 Heart Rate, Sleep & Activity Tracking, Automatic Training Detection, No Subscription, 8-Day Battery, Night Black Brand: Polar Color: Black Type: Loop Size: One Size Features: Multi-Purpose