FREQUENTLY ASKED QUESTIONS

• What is UP? What does it do?

  UP is not just an activity tracker—it's a revolutionary, integrated system that incorporates advanced hardware, sophisticated algorithms and data science to better understand your behaviors and habits. Through an in-depth analysis of your eating, activity and sleep patterns, UP is able to intelligently help you make better choices and achieve your goals smarter and faster. You can try out the UP® App for free by downloading it in the the App Store and Google Play. You can also add a tracker like an UP4™ to receive more detailed data and more personalized health insights.

• How does UP4™ measure my heart rate?

  The UP4™ tracker uses bioimpedance sensors to capture both your Resting Heart Rate and Passive Heart Rate for a holistic view of your heart. The sensors measure the resistance of skin tissue to tiny electric currents.

  Measured once per day before you wake up, Resting Heart Rate is one of the best indicators of overall heart health, while Passive Heart Rate is measured throughout the day when your body is still and shows how your heart responds to daytime stress, caffeine and other stimuli.

• How does UP4™ track my movement and activities?

  The UP4™ tracker uses a precision motion sensor and powerful algorithms to passively track and quantify your activities, distance, calories, active time, and idle time. The UP® App then calculates calories burned based on your age, gender, height and weight, along with activity intensity and duration.

• Will it work if I cycle, do yoga, or other non-step-based workouts?

  The UP® App allows you to log the duration and effort level of a variety of different workout types, so you get credit and estimated caloric burn for non-step-based activities.

• How does UP4™ track my sleep?

  The UP4™ tracker uses bioimpedance sensors to automatically track your sleep and measure heart rate, respiration rate, body temperature, galvanic skin response as well as an accelerometer to detect four distinct stages of sleep: Wake,REM, Light and Deep.

• How does UP track what I eat?

  You can easily log your meals in the UP® App by searching popular foods, using the barcode scanner and restaurant menu search or by simply taking a photo of your meal. UP stores nutritional information for thousands of foods and has given each item a 1–10 Food Score to help you know if you are eating right. The UP® App will track your meals over time and together with Smart Coach, make recommendations for healthier eating.

• What is the band made of?

  The UP4™ band is encased in medical-grade, hypoallergenic rubber. It is smooth, flexible and completely latex-free. Inside, the band contains sophisticated technology so treat your band with care and avoid unnecessary bending.The top and bottom casings are made of anodized aluminum.

• Does the UP4™ device contain nickel?

  All Jawbone products are produced under strict quality assurance and quality control procedures that surpass both European and International legislations and standards for consumer products, in particular the EN1811 standard for nickel release. The UP4™ casing is made of anodized aluminum and contains less than 0.5% nickel. When the device is worn on the wrist, the bottom casing does come into contact with the skin. Those who are severely allergic to nickel may experience some irritation when wearing UP4™.

• Is it water resistant? Can I wear it swimming?

  The UP4™ band is rain, splash and sweat-resistant. However you should remove your UP4™ before showering, swimming, surfing or exposure to other extreme conditions and activities like saunas and steam rooms. Do not submerge your UP4™ in liquids, including hot tubs or baths, at any time.

• How long does the battery last? How do I charge it?

  The UP4™ tracker lasts up to an industry-leading 7 days on a single-charge. Your device comes with a USB charger that can be plugged into a computer USB port or standard USB wall adapter. A full charge takes approximately 60–90 minutes.