Specification Brand RollmeModel S07 Bluetooth Version BT 4 0 Compatible OS Android 4 0 or above iOS 9 0 or above Operating Mode Touch Screen APP Name H bandAPP Language Simplified Chinese English Italian French German Spanish Portuguese Russian Japanese KoreanSpecial Features Waterproof IP67 Heart Rate Monitor Support Blood Pressure Monitor Support Blood Oxygen Monitor Step Count Support Multi sport Modes SupportCall or Message Reminder Support Reject Call Support Call ID Display Support Alert Type Vibration Auto Light up Screen Support Stopwatch Support More Functions Support Alarm Calender Sedentary reminder Camera remote control Anti lost Brightness control Technical Parameters Sensor G sensor Heart Rate Sensor Screen Size 1 3inch Type TFT Resolution 240 240pixels Battery Battery Capacity 200mAhStandby Time About 25days Using time About 7days Charging Time About 2hours Charging Type Magnetic chargingAppearanceDetails Weight and Size Dial Size about 47mm Band Size about 22mm Product Weight about 59g 1 Rollme S07 Smart Bracelet 1 Charging Cable 1 User ManualTips 1 Display and light of shoot will affect the color of the products pictures for reference only subject to our available products 2 Please download the app before usage in order to compatible perfectly with your phone QA Why doesn t my watch start 1 The watch needs to be connected to the charger for the first use 2 If your watch battery runs out you need to charge it for a