1The 1.08-inch color display with high resolution gives you a different visual experience. Magnetic metal strap, metal body, wire drawing process. 2Multiple interface options. Let everyone find their own style, fashionable and full of personality. 3Real time reminder of the messages for WeChat/QQ/SMS. Even if the phone is not around, you can check the message within the Bluetooth range. 4Continuously monitor and record your heart rate all long. Pay attention to your heart load in real time and care for your heart health. 57 major exercise modes: outdoor running, soldier ball, skipping rope, tennis, cycling, badminton, and swimming. 6Determine and record the state of deep sleep, light sleep, and waking times to help you know the sleep quality of every night. 7IP68 waterproof, fully enclosed structure design. No worry about daily washing hands or rain.Item Type: Smart Bracelet Product Model: F8 Master Chip: RLC8762C Photoelectric Chip: For Everlight Vibration: Silence/Vibration Waterproof: IP68 Compatible Systems: For Android 4.4/iOS 8.2 or higher Features: Business fashionable bracelet, color screen, heart rate, blood pressure, blood oxygen, multi-sports mode Function: Step counting, calories, distance, sleep monitoring, sports mode, call reminder, alarm reminder, raise hand to lighten the screen, social sharing (for WeChat/QQ/Facebook/Twitter), shake to take photo, sedentary reminder, two-way searching. Screen Size: 1.08 inch HD color screen Screen Type: TFT Bluetooth: 4.2 BLE (low power consumption) Battery Type: High density polymer lithium battery Battery Capacity: 105mAh Charging Method: Magnetic DC charging Charging Time: About 2h Life Time: 5-10 , 20-30 standby (The specific time depends on the frequency of personal use and message push) Data Storage: 3 months Control Method: Touch button operation, APP control Product Language: Bracelet push supported languages: Nearly 200 national languages worldwide, pushed for global fonts. Bracelet Language: Chinese, English, Korean, Japanese, German, Spanish, French, Italian, Portuguese, Arabic, Russian, Dutch, Hindi, polish APP Language: Chinese, Russian, Turkish, German, Italian, Japanese, French, polish, traditional Chinese, English, Dutch, Portuguese, Spanish, Arabic, Korean Material: MetalGross Weight: Approx. 142g Package Size: Approx.13.5x8.5x3.4cm/5.3x3.3x1.3in Color: Black, Gold, Silver (optional)1 x Smart Bracelet1 x Charging Cable1 x User Manual