Fire-Boltt Invincible Smartwatch features a 1.39” AMOLED display, BT Calling, 454*454 pixels high resolution, 100+ watch faces, 100 Sports mode, and 8GB memory.

SPO2, Blood Pressure Monitoring, Heart Rate Monitoring, Breathe Monitoring, Sleep Monitoring, Steps Tracking, Pedometer, Calorie Tracker, Bluetooth Calling, Add Contacts, Dialpad, Local Music Storage, Connect to Earpods, Inbuilt Mic and Speakers, 100 Inbuilt Watch Faces, IP67 Water Resistant, Smart Notifications, Local Music Storage, Inbuilt Mic & Speaker, Time Display, Dual Button System, Acceleromater, Activity Tracker, Alarm Clock, Battery - upto 10 Hrs Using Blutooth Calling, 7 Days Regular Use, 15 Days Stand By, Sedentary Reminders, Gesture Control

Fire-Boltt Call Bluetooth Calling Smartwatch with SpO2 

Bluetooth Calling, Oxygen Tracking, Heart Rate Monitor, Alarm, Calendar, Camera Control, Contacts, Find My Phone, Fitness Tracker, Reminders, Sleep Monitor, Social Media, Time Display, Weather, Messages, Multisport Tracking, Music, Pedometer, Phone

Fire-Boltt NINJA Calling - Bluetooth Smartwatch with SpO2 

Multi Sports Tracker, Music Player, Pedometer, Phone, Reminder., Social Media, Time Display, Voice Assistant, Camera, Inbuilt Speaker and Mic., Alarm, Blood Oxygen (SpO2) Heart Rate Monitoring, Sleep Tracker., Camera, Contacts, Find my Phone, Fitness Tracker, Messages.