New M8 Bluetooth-compatible Bracelet Heart Rate Sleep Oximeter Step Monitoring Photo Message Reminder Sport Women Men Smartwatch Description: APP: DayBand Chip manufacturer: Shengyuanda SYD Chip: SYD8810 Compatible system: Android4.3 or higher, IOS8.0 or higher Flash memory: 128K+16M Screen type: TFT color screen Screen size: 0.96 Resolution: 160*80 Touch screen type: single touch Connection parameters: BT4.0 WIFI: None NFC: None Sensor: acceleration sensor SC7A20 ECG: None Heart rate: EPCOS mico7028 GPS: None Battery type: polymer lithium battery Capacity: 105mAh Charging method: USB direct charge APP software functions: exercise, step counting, calories, distance, multiple sports modes (running, cycling, badminton, tennis, table tennis) Health Blood pressure, heart rate, blood oxygen, sedentary reminder, sleep monitoring, automatic heart rate monitoring, etc. Social sharing, LINE, Facebook, Twitter, KaoKao Talk, WhatsApp, Skype, etc. Others: Raise your wrist to brighten the screen, call reminder, text message reminder, alarm clock reminder, shake to take pictures, mobile phone search, etc. Waterproof rating: IP67 Charging time: 2h Life time: 7d Specifications: Custom dial rich dial selection Customizable background chart plate, individual expression is fully displayed on the square inch Full viewing angle HD touch screen 0.96 inch large screen, heart rate, steps Calorie consumption, etc. can be viewed at any time to give you a clearer and more realistic experience Easily change the dial to highlight individual life Stylish square dial, with more information, exquisite watches with a variety of styles and themes The disc is for you to choose, to meet your needs for different scenes, making you unique every moment Watch head strap change easily