Gadgetdeal24 via Rakuten offers the S2 HR Bluetooth Fitness Tracker in White for $19.99. Coupon code "SPORTS20" cuts it to $15.99. With $6.19 for shipping, that's the lowest price we could find by $6. Buy Now Tips you must be logged in to your account to use the code Features 1" 128x64 OLED display heart rate monitoring Bluetooth 4.0 IP67 waterproof call & SMS notifications tracks steps, distance, calories