Product parameters: Product Model:F22R Support cell phone operating system: for iOS9.0 or above, for Android4.4 or above APP:H Band Size:1.35" Resolution:360*360(sRGB high color gamut) Type IPS:LCD Bluetooth:Bluetooth-compatible 5.1 Strap material Standard: silicone strap Optional: Milan strap, three-bead steel strap, imitation leather strap Host size: 46.5 * 53.45mm, thickness: 10.4 (without heart rate) 11.4 (with heart rate) Whole machine: 257.2 * 46.5 (strap spread)" Color black, champagne gold Other operations: full touch Battery:Polymer lithium-ion battery Battery capacity:3.8V /300 mAh Standby time:7 days Charging method: magnetic charging cable Charging time:about 2 hours Specifications: Features: - Main functions: 'pedometer, distance, calories, calls, voice assistant, heart rate, blood oxygen, blood pressure, blood sugar, temperature test, sleep monitoring music playback, stopwatch, countdown timer, calculator, weather display, female physiological period function, remote control photo, raise wrist bright screen, find the phone, etc. - Incoming call reminder (caller number/name), message reminder, alarm clock reminder, sedentary reminder, heart rate alarm reminder, Bluetooth disconnection reminder (need APP to open), etc. - Multiple dials: 3 default dials + 1 dial market dial + 1 custom dial" - 50 sports modes: outdoor running, outdoor walking, hiking, indoor running, indoor walking, stepper, outdoor cycling, indoor cycling, elliptical, rowing machine, yoga, HIIT, free activity, fitness, jump rope... APP support language 19 countries: English Chinese Simplified Chinese Traditional Korean German Japanese Russian Spanish Italian French Vietnamese Portuguese Persian Polish Turkish Czech Slovak Hungarian Arabic - Watch support languages: Dial language 2 countries: English, Chinese. 23 countries: Chinese, Traditional Chinese, Japanese, English, German, French, Italian, Spanish, Portuguese (Portugal), Portuguese (Brazil), Russian, Korean, Ukrainian, Hungarian, Turkish, Indonesian, Romanian, Polish, Czech, Slovak, Croatian, Lithuanian, Greek" - Watch push language 23 countries: Chinese (simplified), Japanese, English, German, French, Italian, Spanish, Portuguese (Portugal), Russian, Chinese (traditional), Korean, Portuguese (Brazil), Ukrainian, Hungarian, Turkish, Indonesian, Romanian, Polish, Czech, Slovak, Croatian, Lithuanian, Greek Package Included: 1 * Smart watch, 1 * Charging cable, 1 * Manual