PG3MAX Bluetooth Call 1.6" Smart Watch Blood Oxygen Heart Rate Monitor IP67 Waterproof Sports Bracelet - Black 1.6 inch large screen,400x400 HD resolution,full circle and full touch It provides heart rate,blood oxygen,pressure measurements,quality of sleep at night,etc. With IP67 level of life waterproof ability to meet daily life and sports waterproof requirements Built-in a variety of beautiful dials,different personalities,colorful,new trendy and dynamic Real-time temperature changes and keep you informed of weather conditions Specifications: Model: PG3Max Compatible systems: for iOS or Android Function: Bluetooth call,6 sets of menu styles,supporting multiple dials,breathing training,customized dials,step counting,brightness adjustment,multiple sports mode,sleep detection,heart rate,blood pressure,blood oxygen,information push,remote music,remote photography,real-time weather,finding mobile phones (connected to mobile phones),Bluetooth music playing,calendar,timer,stopwatch,voice assistant,alarm clock,do not disturb mode App support language: Simplified,English,Traditional,Greek,French,German,Italian,Spanish,Dutch,Portuguese,Russian,Turkish,Japanese,Polish,Romanian,Thai,Vietnamese,Indonesian,Korean,Arabic Device support language: Simplified,English,Traditional,Greek,French,German,Italian,Spanish,Dutch,Portuguese,Russian,Turkish,Japanese,Polish,Romanian,Thai,Vietnamese,Indonesian,Korean,Arabic APP: QWatch Pro Chip: RTL8762DT Key type: 2 physical keysandfull code encoder Android system: Support Android 5.0 and above For iOS system: for Apple iOS 9.0 or above Heart rate sensor: LC11S Bluetooth: Bimodal: BT3.0,BLE5.0 Product material: Zinc alloyandABS Net weight: 70g Screen size: 1.6" TFT HD round screen Screen resolution: 400x400 Screen Type: IPS Full view color screen Touch screen material: Glass Wrist strap material: Silicone Watchsize(not include strap): 52.5x54.8x11.5mm Battery type: lithium battery Battery capacity: 340mAh Endurance: Normal connection lasts 5-6 days,and standby lasts 25-35 days. (Connection depends on personal usage) Charging mode: Magnetic charging Charging time: About 3 hours Package included: 1 x Smart Watch 1 x Charging Cable 1 x English and Chinese User Manual Other items not include