• 1.91-inch HD Screen: High color gamut, super narrow border, and super large display screen. The color is rich and exquisite, and the picture is real and vivid
• Blood Oxygen Monitoring: Equipped with a new detection chip, it can detect blood oxygen data
• 24-Hour Temperature Monitoring: Automatic measurement, more accurate data
• Sleep Monitoring: Open the sleep mode, and the notification message does not disturb, for you to quietly reduce the screen brightness.
• More Than 50 Sports Modes: Support up to 50+professional sports modes, based on accurate real-time heart rate detection

Specifications:

• Product number: F57L
• operating system: IOS9.0 or above, Android4.4 or above
• APP: H Band
• Master chip: GR5515+64M FLASH
• G-sensor: Rohm KTJ3-1057
• Heart rate sensor: Epticore EM7128
• Vibration reminder: Motor vibration reminder
• Waterproof level: Life Waterproof
• Display size: 1.9" square screen resolution: 280*320 (sRGB high color gamut)
• Display Type: IPS LCD
• Bluetooth: 5.1
• Battery: Polymer Lithium Ion Battery
• Battery capacity: 3.7V/260mAh
• Standby time: 30days
• Charging method: Magnetic charging cable
• Charging time: about 2 hours
• 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 language: Dial language 2 countries: English and Chinese, 15 countries: Simplified Chinese, Traditional Chinese, English, Japanese, Korean, German, Russian, Spanish, Italian, French, Portuguese, Turkish, Hungarian, Brazilian, Portuguese, Ukrainian
• Watch push language: 23 countries: Chinese (Simplified), Japanese, English, German, French, Italian, Spanish, Portuguese (Portugal), Russian, Chinese (Traditional), Korean, Portuguese (Brazil), Ukrainian, Hungarian, Turkish English, Indonesian, Romanian, Polish, Czech, Slovak, Croatian, Lithuanian, Greek