ITEM NAME:A8 Smart Bracelet Heart Rate Blood Pressure IP67 Waterproof Smart Watch #JT1 Product Description Description: Feature: 1. Intelligent optical blood pressure monitoring sensor can measure blood pressure, blood oxygen and heart rate in real time without APP. 2. Record your steps and calories. 3. Excellent design, exquisite workmanship, daily hand washing, rain prevention, etc. can be safely worn. 4. Automatically identify sleep state at night, record sleep quality, so that you better understand the sleep state. 5. Gravity induction system design, high sensitivity, lift bright. Function: Blood oxygen monitoring, heart rate monitoring, sleep monitoring, blood pressure monitoring. Exercise mode, calories, WeChat exercise, stopwatch, find bracelet, SMS display, QQ SMS. Raise your hand to brighten the screen, shake hands photo, phone reminder, alarm clock reminder, sedentary reminder. Specification: Model: A8 Colour: Black Weight: 36.5g Battery capacity: 180mAh Life time: about 10 days of normal use Standby time: 45 days Body: zinc alloy / ABS + PC Top cover: PMMA Strap material: TPU G-Sensor: 3 axis Waterproof level: IP67 Watch size: 258*46.5*11.3mm/10.15*1.83*0.44'' Body size: 46.5*34.7*11.3mm/1.83*1.36*0.44'' Wrist strap size: 258*20*3mm/10.15*0.78*0.11'' Display: 1.3 inches Resolution: 240*240 Applicable models: for Android 4.4 and above, for iOS 8.5 or above, for Apple for iPhone5s and above hardware version, Bluetooth version 4.0, APP: Wearfit1.0 Note: Please allow 1-3mm differs due to manual measurement. Due to the different display and different light, the picture may not show the actual color of the item. Thanks for your understanding. Included: 1 X Smart Watch 1 X User Manual.Waterproof level: IP67. Blood oxygen monitoring, heart rate monitoring, sleep monitoring, blood pressure monitoring. Gravity induction system design, high sensitivity, lift bright. Automatically identify sleep state at night, record sleep quality, so that you better understand the sleep state.