The activity sensor is the perfect companion for optimum activity monitoring and sleep analysis. It also measures the pulse on the wrist via an optical sensor. The heart rate can be tracked live via Runtastic, etc. 

• Optimum activity monitoring and sleep analysis with the free "beurer HealthManager" app – transfer via Bluetooth ^® low energy technology
• Pulse measurement on the wrist via optical sensor
• Live tracking of heart rate possible via Runtastic, etc.
• Notifications for calls, text messages and other messages (e.g. WhatsApp & Facebook) – displays the content of the messages, the phone number and contact
• The activity sensor continuously tracks physical activity and monitors quality of sleep
• Activity tracking: number of steps, distance covered, calorie consumption, activity duration and achievement of daily activity goals
• Sleep tracking – tracks movements during sleep and sleep duration
• Selfie function – operation of the smartphone camera shutter
• Move reminder
• Integrated locate function (if in Bluetooth ^® range)
• (Smartphone <--> activity sensor)
• Time, data and battery level indicator
• Memory capacity: 15 days and 15 nights
• Alarm function with vibration alert
• Water resistance: 3 ATM
• For wrist circumferences from 14.5 to 19.5 cm