Bluetooth smartwatch with heartrate sensor 1.3-inch IPS display - one button touch below screen IP67 Dust & Waterproof Multi-Sport Mode (Running, Walking, Indoor Run & Cycling) Track your sport performance Track your sleep Built-in HR sensor, monitor your heart rate. Blood pressure indicator (not medical grade) Monitor your daily activity and sleep Display SMS, emails, calendar events and social media activity Smart wake-up, raise or shake your arm to wake up the device Fully compatible with iOS8 or above and Android 4.4 or above Built-in rechargeable battery - 150mAh Battery use time: 7-10 days. Standby: up to 15 days