Compare boAt Wave Sigma 3 Curv, 2.01" Immersive… vs Fire-Boltt Ninja Calling Pro 42.9mm
Key differences
- Cheapest right now: Fire-Boltt Ninja Calling Pro 42.9mm at ₹1,299.
2 smartwatchesSpecs from each Flipkart listing
₹1,399₹5,999
Checked 22 Oct 2026, 11:04 pm ISTFlipkart 
₹1,299₹7,999
Checked 22 Oct 2026, 6:30 pm ISTFlipkart Price today
Flipkart MRP
₹5,999
₹7,999
Below MRP
76%
83%
Display
Screen size
46.482 mm
1.69 inch
Display type
TFT
IPS LCD
Resolution
240 x 296 Pixel
240 x 280 Pixel
Dial shape
Rectangle
Square
Features
Calling
Yes
Yes
Heart rate
Yes
Yes
Water resistance
Yes
Yes
Battery & warranty
Battery life
3-5 Days
5 Days
Works with
Android & iOS
Android & iOS
Strap
Silicone
Silicone
All other specs from Flipkart (52)
Fitness and Watch Functions
Calorie Count
Yes
Yes
Step Count
Yes
Yes
Other Fitness Features
Yes
Pedometer with SC7A20 Sensor, Heart Rate Monitor with HRS3600 Sensor, SpO2 (Blood Oxygen Monitor), Sleep Monitoring, Sedentary Reminders, Breathe Monitoring
Altimeter
Not listed
No
Date & Time Display
Not listed
Yes
Compass
Not listed
No
Calendar
Not listed
No
Alarm Clock
Not listed
Yes
Chronograph
Not listed
Yes
Language
Not listed
English
Number of Buttons
Not listed
1
Other Watch Functions
Not listed
Buetooth Calling smartwatch - Make and receive calls on the go, AI Voice Assistant in built, Built in Mic & Speaker for HD Calls • High Resolution of 240*280 Pixel & 1.69 inch IPS LCD Screen covered with a 2.5D Full Lamination for best protection, Track 120 sports modes efficiently and analyse performance based upon saved history, This smartwatch can withstand dust, spills, raindrops and is sweatproof too with an IP rating IP67, Track your blood oxygen (SpO2), Heart Rate with latest HRS3600 Te
In the Box
Sales Package
Wave Sigma 3 Curv,Charging Cable,Warranty Card,User Manual
1 Smartwatch, 1 Charging Cable, 1 Manual, 1 Warranty Card
General
Model Number
WB0048
BSW039
Model Name
Wave Sigma 3 Curv, 2.01" Immersive Curved Display, Metal Finish, IP68
Ninja Calling Pro 42.9mm (1.69) Bluetooth Calling Smartwatch AI Voice Assistant
Dial Color
Black
Dark Grey
Strap Color
Black
Pink
Size
One size
Free Size
Touchscreen
Yes
Yes
Usage
Fitness & Outdoor
Fitness & Outdoor
Ideal For
Men & Women
Men & Women
Brand Strap Color
Active Black
Pink
Product Details
Brand Color
Active Black
Pink
Sensor
HR, SpO2
Accelerometer, SpO2 Sensor, Heart Rate Sensor
Battery Type
Lithium Polymer
Lithium Ion
Sim Slot Present
No
No
Voice Caling
Yes
Yes
Closure
Not listed
Buckle
Notification
Not listed
Call, SMS, Whatsapp, Facebook, Twiter, Other Social Apps, Sedentary Reminder, Goal Completion
Notification Type
Not listed
Vibration & Ringer
Charge Time
Not listed
120 min
Rechargeable Battery
Not listed
Yes
Battery Run Time
Not listed
Upto 5 days
Multi-touch
Not listed
Yes
Connectivity Features
Bluetooth
Yes
Yes
Wi-Fi
Not listed
No
GPS
Not listed
No
Messaging Support
Not listed
Yes
Bluetooth Version
Not listed
v5.0
Email Support
Not listed
No
Operating Range
Not listed
10 m
Camera and Display Features
Backlight Display
Not listed
No
Scratch Resistant
Not listed
Yes
Additional Features
Advanced Features
Not listed
Multi Sport Mode, Music Control
Key Features
Not listed
Bluetooth Calling, AI Voice Assistant, 1.69" HD IPS Display, IP67 Water Resistant, SpO2 & Heart Rate Monitoring, 120+ Sports Modes, Inbuilt Games, Calculator
Dimensions
Width
Not listed
43.5 mm (4.35 cm)
Height
Not listed
38.5 mm (3.85 cm)
Thickness
Not listed
9.5 mm (0.95 cm)
Weight
Not listed
40 g
Audio and Video Features
Speaker
Not listed
Yes
Microphone
Not listed
Yes
Voice Control
Not listed
Yes
Specs are copied exactly from each Flipkart listing (last seen 2026-10-22); sellers write them and they can be incomplete or wrong. “Not listed” means Flipkart does not show it — we never fill it in. Prices are our own checks, shown only while under 24 hours old. See all smartwatches to compare.