Bingo F1 Smart Band - It is compatible to devices having Bluetooth version 3.0 and above in smart phones, Tablets and PC's and also support Android and IOS. It alerts you when you are getting any calls in you mobile and notify you about the message of Wechat and many others with Bluetooth Sync . It has OLED Time Display 24 Formula. Heart Rate Sensor: it senses your heart rate and show it on display . Pedometer: Sports Pedometer, Motion Odometer . Sleep Monitor: At night, check the quality of sleep in APP . Remind you when you don't move from one hour. Alarm Reminder . Waterproof level : IP67 Designed architecture: Bluetooth fitness band fabricated with 0.42 inch OLED Display that fits your wrist perfectly to maintain fitness. Manufacturing Material quality- The strap material has been made up of Plastic ABS and TPS elastomer in order to safeguard you from UV radiations .Silky touch - Proven Safety and as negative results from toxicity and irritation potential. Excellent aesthetics: Outstanding resistance to Abrasion, Sweat and Sebum. Instructions for usingM2Device. 1. Install App on Mobile Phones Scan the QR code on the manual provided with the device(Android or IOS) with the help of QR code Scanner App or Search for Fithealth in Google Play or App Store. 2. Pairing F1 and your phone. Signup the Apps, then pair F1 with the app. When you bind F1, click the button to complete the binding.