DIMENSIONS Band body (Length x width x height): 56 mm x 18.5 mm x 12.5 mm Strap width: 17 mm Strap length: 123 mm + 85 mm WEIGHT Approximqtely 24 g(including the wrist strap) COLOR Graphite Black Amber Sunrise DISPLAY TFT colour screen Resolution: 80 x 160 pixels Size: 0.96 inches OPERATING SYSTEM Android 4.4 or later iOS 9.0 or later SENSORS 3-axis acceleration sensor Infrared wear sensor Optical heart rate sensor BATTERY Capacity: 91 mAh Charging time: about 1.5 hours (in ambient temperature of under 25 °C) 7 days: HUAWEI TruSleep™ is enabled, Heart rate monitoring (Smart mode) is enabled, Raise wrist to wake screen is disabled; 8 days: HUAWEI TruSleep™ is enabled, Heart rate monitoring (Smart mode) is disabled, Raise wrist to wake screen is disabled 9 days: HUAWEI TruSleep™ is disabled, Heart rate monitoring (Smart mode) is disabled, Raise wrist to wake screen is disabled Screen is checked briefly 200 times a day, 50 messages a day, 3 calls a day, 3 alarms a day Data is based on tests results from the Huawei lab. Actual battery life varies depending on your band’s configuration, operations, ambient environment, and how long the battery has been used. *Typical value. Actual capacity may vary slightly. This capacity is the nominal battery capacity. The actual battery capacity for each individual phone may be slightly above or below the nominal battery capacity. MICROPROCESSOR Apollo 3 ENVIRONMENT Ambient operating temperature: -10 °C – +45 °C BLUETOOTH Bluetooth frequency: 2.4 GHz Bluetooth 4.2 STORAGE ROM: 384 KB ROM: 1 MB Flash: 32 MB BUTTON CONTROL Full screen touch + Home key IN THE BOX Band x 1 Quick start guide, safety information, and warranty card x 1 MATERIAL Front cover: Plastic Strap: Silicone rubber CHARGING PORT USB charging port WATER RESISTANCE 5ATM Devices complying with the 5ATM-rated water have a water resistance rating of 50 meters under ISO standard 22810:2010. This means that they may be used for shallow-water activities like swimming in a pool or ocean. However, they should not be used for scuba diving, waterskiing, or other activities involving high-velocity water or submersion below shallow depth.