Note: There is no charging cable in the package. The way to charge this smart band is USB direct charging. Please take the main body off the strap and you can use your phone USB charger or computer to charge it directly. Specification Brand Bakeey Model R10 Color Black, Blue, Purple, Red Bluetooth Version BT 4.0 or above Compatible OS Android 4.4 or above iOS 8.0 or above Operating Mode Single Touch APP Name JYouPro App Language English, Portuguese, Spanish, French, German, Italian, Russian, Japanese, Hindi, Arabic, Simplified Chinese, Traditional Chinese Special Features Waterproof IP67 waterproof Heart Rate Monitor Support Blood Pressure Monitor Support Blood Oxygen Monitor Support Sleep Monitor Support Multi-sport Modes Support Pedometer Support Call or Message Reminder Support Reject Call Support Notification Support Alert Type Vibration Auto Light-up Screen Support Stopwatch Support Other Functions Support Alarm,Calender,Sedentary reminder,Camera remote control,Anti-lost, Technical Parameters Sensor G-sensor, Heart Rate Sensor Screen Size: 1.14inch Type: TFT Resolution: 240*135 pixels Battery Battery Capacity: 90mAh Standby Time: About 10 days Using time: About 5 days Charging Time: About 2 hours Charging Type: USB charging Appearance & Details Band Material: TPU Length: about 252mm Width: about 18mm Weight and Size Product size: about 252*23*11 mm Product weight: about 22g 1*Smart Bracelet 1*User Manual Tips: 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.