M28 Smartwatch with Body Thermometer, Blood O2 Monitor and Blood Pressure. Sport modes.: •Incoming call notification. •Push notifications from apps such as WhatsApp, Facebook, Instagram, etc. and SMS. •Weather information (App required). •Alarm, remote shutter release for smartphone camera. •Various dials of different styles, interchangeable. Vibration alerts. •Supported languages: Spanish, English, German, French, Italian, etc. •Includes USB charging cable. Health Features: • Body temperature thermometer. •Heart rate, blood pressure and blood oxygen monitor. •Pedometer with step, distance and calorie measurement. •Multisport mode. •Sleep monitor. Screen: 1.28 inches Battery: 200 mAh Approximate battery life: up to 3 days. Standby time: up to 7 days. Compatible systems: Android 4.3 and above, iOS 8.0 and above. Bluetooth: 4.2BLE Chip: RTL8762DK Sealing: IP67 (do not use in the shower or bathe with it, do not submerge, do not expose to steam, hot water, or condensation.)ABS, metal alloy, silicone. For the smartwatch to work, you need to download a free app for synchronization. To do this: • Scan the QR code included in the instruction manual and download the app. •You can also download the “Smart Health” app directly from the Google Play Store (Android) or App Store (iOS). •Once downloaded and installed, open it and accept all requested permissions; sync the smartwatch with your mobile phone via Bluetooth using the app.