Note: 1. This Strap is 44mm,if Need other color straps, it is recommended to buy a watch + strap package 2.ISO system does not support the SMS message push function, other messages push normally Selling Point: 1.Bluetooth call (With Speaker And Microphone) 2.IP68 Waterproof(Do not wear hot showers because of steam) 3.Support 20 Languages 4.Body Temperature Test 5. 1.75inch HD display Specification: Bluetooth Version: BT 3.0 4.0 Compatible OS: Android 4.4 or above, iOS 8.0 or above Operating Mode : Full Touch Screen Sensor Screen Size: 1.75inch HD IPS, 320*385px Charging Type: Magnetic charging Charging Time: About 2.5 hours Using time: About 1 days Battery Capacity: 220 mAh Weight: 50g Dial Size: about 44*38*10.7mm Band Size: 44mm Changeable Straps Certificate: CE Apps : Fundo Pro Main Functions: 1.Bluetooth Call 2.Body Temperature Test 3.IP68 Waterproof 4.Support 20 languages 5.Multiple Watchface Options 6.Call or Message Reminder (whatsapp/ins/facebook...) 7.24H Heart Rate Monitor (ECG) 8.Blood Pressure Monitor 9.Sleep Monitor: Record and analyze your sleep status 10.Step Count 11.Multi-sport Modes 12.Music control 13.Camera remote control 14.Call ID Display 15.Calculator 16.Calendar 17.Stopwatch 18.Sedentaryreminder More Functions Waiting To Be Discovered By Yourself Other Parameters: Language: English, Russian,Portuguese (Brazil) ,French, Spanish, Dutch,Polish,Turkish,German, Greek,Italian,Czech,Arabic, Thai, Persian, Indonesian, Malay, Vietnamese, Burmese Package contains: 1*Smart Bracelet 1*Charging Cable 1*User Manual Remarks:The watch health monitoring data is only a rough range, not very accurate, please do not compare with professional medical equipment, after all, it is just a watch