Keep an eye on your heart with the Bluetooth Heartrate ECG Sport Smart Watch With a 1.2" HD display to clearly show your data and progress IP67 waterproof level is protected against sweat, rain and splashes Monitors your heart rate with an ECG as well as your sleep time, calories, steps and more. Has a built-in 220mAH battery with a 15-day standby capacity Connect to your device with Bluetooth 4.0 via the app In 4 options: black steel strap, silver steel strap, black leather strap or yellow leather strap See Full Details for product specifications Save 54% on the Bluetooth Heartrate ECG Sport Smart Watch - now only 59.99 pounds