Hardware Parameters CPU Realtek8763EWE RAM ROM 640KB + 578KB +External 128M Flash Display 1.39""inch IPS TFT 360*360 Full Touch Round Screen Touch Panel Full Touch Screen Screen Cover Panel Glass Heart Rate Sensor HRS3605 G-sensor SC7A20 BT Version BT5.2 Battery 450 mAh Lithium Polymer Battery Stand-by Time: 15Days Typical Use Time: 3-5Days Vibration Motor Support Speaker Support Microphone Support Structive Components Parameters Middle Frame PC+ABS Middle Frame Color Black,Blue Back Case PC+ABS Straps Silicone Button 2 Buttons Charging Structure Magnetic charging method Waterproof Level IP67 Function Parameters Watch Languages English, Chinese, Japanese, Korean, German, French, Spanish, Arabic, Russian, Traditional, Ukrainian, Italian, Portuguese APP Languages English, Arabic, Danish, German, Spanish, Finnish, French, Italian, Japanese, Korean, Dutch, Norwegian, Polish, Portuguese, Russian, Swedish, Thai, Ukrainian, Chinese, Chinese Traditional Chinese Sport Modes Number of sports steps, sports mileage record, card consumption, a variety of sports mode. Movement track (mobile APP display) Health Functions Step count, sleep, heart rate, blood pressure, oxygen saturation, exercise data record Other Functions Custom dial, massive online dial, wrist-turning bright screen, time display, remote photography, search bracelet,Mute alarm clock, music control, sedentary reminder, water reminder, weather display, etc BT Push Information FacebookTwitterwhatAPPInstagramLinkedInmessenger Skypelinekakaotalk,Gmail,Snapchat APP Name Da fit