- Activity and fitness wristband to monitor physical functions for a healthy lifestyle and sport ,- Heart rate monitoring directly from the wrist, with history curve that can be conveniently checked with the app ,- Protects from dirt and provides protection against temporary immersion according to IPX7 ,- With step and calorie counter, distance tracker, integrated heart rate monitor and sleep monitor ,- GPS tracking and detailed settings for individual workouts ,- Precise 3D motion detection ,- Adjustable goal per workout ,- Various selectable configurations: individually adjustable call and ,message display function (e-Mail, SMS, Whatsapp, Facebook, calendar entries, etc.) with vibration alarm ,- Movement reminder, freely adjustable depending on the movement requirement ,- Time and date display ,- Alarm function with vibration alarm, 4 different alarm times, snooze function ,- 4 operating modes: ,daily Mode: analyses your daily activity including steps taken and calories burned ,sleep mode: monitors sleep behaviour and quality ,sport Mode: starts a workout and displays information including duration, steps taken, calories burned and distance travelled ,nap Mode: vibration alarm wakes you up after a short nap ,- Battery level indicator in the display and via the smartphone app ,- Pairs with smartphones via Bluetooth (from iOS 7.1 or Android 4.3) via free igotU Life fitness tracker app ,- Warning on disconnection via vibration alarm and display on the wristband ,- High-quality, energy-saving 2-line OLED display ,- Integrated Li-polymer battery for around 10 days between charges (depending on usage) ,- Slim, ultra-lightweight detachable silicone strap, easy to clean , ,System Requirements: ,Smartphone with Bluetooth 4.0 from iOS 7.1 or Android 4.3 - Backlit Display: Yes ,- Calendar Function: Yes ,- Chest Strap: No ,- Distance Measurement Function: Yes ,- Fat burning Indicator: Yes ,- Finger Touch Sensor: Yes ,- IPX Class: IPX-7 (protection against temporary immersion for about 30 minutes) ,- Lap Counter: Yes ,- Material: Plastic Material ,- Measurement of Training Time: Yes ,- Measures Burnt Calories : Yes ,- Pedometer Function: Yes ,- Puls Alarm Indicator: Yes ,- Pulse Watch Function: Yes ,- Watch Function: Yes ,- Waterproof: Yes ,- Height: 9 mm ,- Length: 250 mm ,- Weight: 15 g ,- Width: 16 mm ,- Battery Type: Integrated Rechargeable Battery ,- Number of Batteries: 1 ,- Bluetooth Version: 4.0 ,- Measurement of Average Heart Rate: Yes ,- Measuring Range - Heart Rate: 30 - 240 Beats per Minute ,- Stopwatch Function: Yes ,- Colour: Black/Blue ,- Productline: Active Line 2 years legal warranty only