HomeProduct Battery Life40 days standby 40 days standby Filter Showing the single result Default sorting Sort by popularity Sort by average rating Sort by latest Sort by price: low to high Sort by price: high to low Sort by editor review Added to wishlistRemoved from wishlist 0 Add to compare YYKY Military Smartwatch IP68 2.01in HD, HR & 40-Day Battery Best deal at: Amazon.com $36.99 Latest Price Amazon.com $36.99 BUY NOW Amazon price updated: February 3, 2026 11:30 pm
