Specifications 

Summarise

Brand - Fire-Boltt, Model - Fire-Boltt Ninja Calling, Watch Size - 42mm, Cellular Network - No, SIM Card Slot - No, Dial Shape - Square, Display Size - 1.69 Inch, Display Type - HD, Display Resolution - 240 x 280, Display Brightness - 450 Nits, Camera - No, Calling Feature - Yes, Loudspeaker - Yes, Microphone - Yes, Sport Modes - 30 Sports Modes, Waterproof - Yes, Waterproof Rating/Level - IP67, Water Resistant - Yes, Dustproof - Yes, Blood Pressure - No, Blood Oxygen - No, Heart Rate - Yes, Sensors - SpO2 Monitoring & Heart Rate Tracking, Optical Heart Rate, Capactive Sensor., Electrical Heart Sensor (ECG App) - No, Optical Heart Sensor - Yes, Activity Tracker - Yes, Vibration - Yes, Button - 1, Card slot - No, Wi-Fi - No, Bluetooth - Yes, Bluetooth Version - Bluetooth 5.0, GPS - No, Connectivity - Bluetooth, Charging Method/Port - Magnetic Charging, Number of Straps - 1, Strap/Band Materials - Silicone, OS & Version - Android 4.4 & IOS 8.0 And above, Watch Dimension - 44 x 36 x 12mm, Weight - 40 gm, Others - Full touch screen, Battery: Avg battery life 7 days., Features - Health Monitoring Feature: SpO2 monitoring, Body Temperature Monitoring, 24/7 Dynamic monitoring & manual, step tracker, calories burned, distance travelled, activity history, sleep monitor. Smart Feature: Bluetooth calling, TWS Pairing, Play Local Music, Call rejection, Sedentary reminder, Weather forcast, Wake gesture. Built-in Voice assistant, you can simply speak to the smartwatch & get things done with the convenience of your voice. Keep a tab on your health metrics with some amazing features of Fire-Boltt Ninja calling. 24/7 dynamic HR tracking available on the NINJA CALLING is there to help you understand your heart at all times. Owing to its powerful inbuilt speaker and microphone, you can directly make & receive phone calls directly from your watch, anywhere and anytime., Warranty - 6 Month (Warranty must be claimed with original box & all accessories)