Specification Brand Bakeey Model E66 Bluetooth Version BT 4 0 Compatible OS Android 4 4 or above iOS 8 2 or above Operating Mode Single Touch APP Name SmartHealth App Language Chinese English Traditional Chinese Japanese German Spanish French Italian Thai Russian Watch Language Chinese English Traditional Chinese Japanese French German Italian Spanish Russian Portuguese Malay Korean PolishSpecial Features Waterproof IP68 Thermometer Support ECG PPG Heart Rate Monitor Support Blood Pressure Monitor Support Blood Oxygen Monitor Support Step Count Support Multi sport Modes SupportPedometer Support Call or Message Reminder Support Reject Call Call ID Display Support Alert Type Vibration Auto Light up Screen Support Stopwatch More Functions Support Alarm Calendar Sedentary reminder Anti lost Camera ControlTechnical Parameters Sensor G sensor Heart Rate Sensor Screen Size 1 08inch Type TFT Resolution 128 220pixels Battery Battery Capacity 105mAhStandby Time About 30 days Using time About 7 days Charging Time About 2 hours Charging Type USB ChargingAppearanceDetails Weight and Size Band Size about 260 23mm Product Weight about 107g 1 Bakeey E66 Smart Bracelet 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 t