Y2 plus Smart Band Touching Operation/OLED display screen/Heart Rate/Blood Pressure/Blood Oxygen Features: Sports bracelet, joined the OLED display, through the touch round buttons, you can display the current time, the number of steps, heart rate , and even the mileage , heat and other data, when not convenient touch operation, can automatically lift the bracelet, the bracelet display the current time, easy and convenient. Smart sports wristbands, heart rate, pedometer , calorie, distance, stopwatch, sleep monitoring, Call reminder, alarm clock and other functions. Heart rate monitoring is through the built-in motion sensor can read the heart rate changes, the movement of the heart rate monitoring and prompt, let you according to heart rate, free planning exercise time, scientific movement Smart sports bracelet, bracelet wristband body part adopts the tough TPE materials, skin contact part adopts soft skin material. Breathable anti sweat, bring good wear feeling IP54 waterproof and dustproof, can go to the protective effects of short immersion, can be worn on the hand wash their hands or when it rains, effectively prevent cosmetics, sweat corrosion Specification: Vibration: silence / vibration Waterproof level: IP54 Compatible system: Android 4.3 and above, iOS version 8 and above Main features: heart rate, pedometer, calorie, distance, stopwatch, sleep monitoring, blood pressure Call reminder, alarm clock reminder Screen size: 0.87 inches OLED Screen type: OLED Bluetooth: 4.0BLE (low power) Battery type: lithium polymer battery Battery capacity: 60mAh Charging method: USB dedicated charging line Charging time: about 1.5H Control mode: key control, mobile phone APP control Product language: Chinese / English Bracelet size: L*W*H=40.3*15.7*11MM Wrist size: length 235MM, adjustable length 155-210MM Appearance material: body - plastic wristband -- thermoplastic elastomer, Aluminum Alloy Product color: black, green, orange, blue Package Included : 1 x Y2 Bluetooth smart bracelet 1 x Charging Cable 1 x User Manual