Product Name: Lemfo T3PRO Dual Time Display Lifer Waterproof Smart Wristband Heart Rate Blood Pressure Blood Oxygen Monitor Bussiness Style for Men Smartwatch Model NO.: T3Pro Feature: Bluetooth, Water Resistant, Heart Rate Monitor Material: Stainless Steel Usage: Detection, Sport & Live & Other Display: IPS Compatible: Ios or Android System Bracelet Material: Stainless Steel +TPU Strap: Silicone Material Chip: Dialog Da14585 Bluetooth Version: 4.0 Android and Apple APP Synchronization: Jyou PRO Function: Dual Time Display, Heart Rate Tracker Battery: Capacity: 90mAh Waterproof: IP67 Health Sharing: Facebook, Twitter, linkedin, Flickr Resolution: 80x160dpi Transport Package: 122*82*74(mm) Specification: Case Material: Alloy Origin: China HS Code: 8517629900 Product Description Main functions: Dual time display,Blood Pressure ,Blood Oxygen and Heart Rate...Specifications:* Hardware platform: DA14585* Built-in 90 mAh battery, standby time 15 days, usually working time 5-7 days.* IP67 waterproof and dustproof (you can wear it in the rain, wash your hands, but do not support swimming or press the button when there is water with a watch, does not support hot water or shower)* Multisports mode (badminton, table tennis, Basketball), Sports recording, viewing steps, distances, calories.* Blood Pressure Pulse, Blood Oxygen Monitor: caring for your health* Support Bluetooth 4.0 and iOS 9.0 version above and Android version 8.0 above* Message and call reminder, information reminder: Wechat, LINE, Whatsapp, Twitter, Facebook, Skype, etc.* More functions:Sleep detection (sleep time, sleep quality), pedometer, calories, distance, alarm, camera remote control, stopwatch, sitting position reminder, vibration reminder, raise your hand to light up* Clock display language: Chinese, English* Application language: English, French, German, Italian, Japanese, Portuguese, Russian, Chinese, Spanish, Hindi, Arabic* App Name: JYOU ProNote:1. Do not put the watch in hot water or take a shower.2. After receiving the watch, please charge first. Because after a long period of logistics, the watch has a low battery3. Before use, scan the QR code on the instructions to download the application and connect it to the watch using the application.