European quality. Made in Germany! Fitness bracelet To record steps, kilometers, calories, activity duration, sleep time. Physical activity behavior: Number of steps, distance traveled, calorie intake, and duration of activity Record your daily exercise goal with a reminder to move Sleep Tracking: Records sleep behavior and duration With Bluetooth for transfer of measured values for graphic processing Time and date display, alarm function with vibration signal Display for calls, SMS and notifications Temporary immersion protection (IP67) Includes free Health For You app to download Built-in lithium-ion battery up to 15 days standby time Storage capacity for 15 days