Dirrelo Smartwatch is compatible with Android and Apple phones and connects via Bluetooth. This smartwatch very accurately measures distance and is perfect for fitness enthusiasts. Its 1.55'' display is attractive with a resolution of 360 x 320 pixels. The watch is waterproof and can be used for intense exercises and workouts. Its battery lasts up to 7 days. It has 14 sport modes like walking, running, rope skipping, cycling, badminton, football, etc. It accurately monitors heart rate, sleep, calories burned, awake time, GPS, accelerometer, etc. It is durable and lightweight and also, comes with a replaceable strap. Its weight is 0.705 ounces.