Now, manage all your communication with your Fire-Boltt Smartwatch featuring Bluetooth Calling with an inbuilt mic and speaker. Make, receive or reject calls straight from your wrist. Seize the view with a 43mm (1.7 inch) Full Touch, High-Definition Large Display. Bluetooth Calling 43mm HD Large Display SpO2 Blood Oxygen Monitoring 8 Days Normal Use Multiple Sports Modes IP67 Water Resistant Connect Through Your Wrist Bluetooth Calling Power of smartphone is now on your wrist. Make & receive phone calls directly from your watch, anywhere and anytime. In Built Speaker In Built Microphone Brand ?Fire-Boltt Manufacturer ?Boltt Games Pvt Ltd, Boltt Games Pvt Ltd Model ?BSW005 Model Name ?BSW005 Ring Bluetooth Calling SPO2 Product Dimensions ?4.4 x 3.8 x 1 cm; 60 Grams Batteries ?1 Lithium Ion batteries required. (included) Item model number ?BSW005 Operating System ?Smartwatch Color - Black Compatible Devices ?Tablet, Smartphone Special Features ?Oxygen Tracking, Heart Rate Monitoring, Bluetooth Calling, Activity Tracker, Alarm Clock, Calender, Calorie Tracker, Daily Workout Memory, Distance Tracker, Gesture Control, Multi Sport Tracker, Music Player, Notifications, Pedometer, Phone Call, Sedentary Reminder, Sleep Monitor, Text Message, Time Display Mounting Hardware - 1U Smartwatch, 1U Charging Cable, 1U Manual Number Of Items - ?1 Standing screen display size - ?1.7 Inches Display Type - ?Digital Resolution - ?Digital Power Source - ?Battery Powered Battery Average Life - ?8 Days Batteries Included - Yes Batteries Required ?- Yes Battery Cell Composition ?- Lithium Ion Battery Power Rating - 270 Wireless Type - ?Bluetooth Connector Type - ?Bluetooth Device interface - primary - ?Touchscreen, Buttons Includes Rechargable Battery - ?Yes Manufacturer - ?Boltt Games Pvt Ltd Country of Origin - ?China Item Weight - ?60 g