Polar Loop vs Lenovo Spectra HX03F Smart Band comparison

Show Only Differences Highlight Differences	Polar Loop	Lenovo Spectra HX03F Smart Band
key specs
Water Resistant	Yes	Yes
Heart Rate Monitor	Yes	-
Display Type	-	LCD
Compatible Devices	-	Android & iPhone
Battery Life (Days)	-	7
general
Brand	Polar	Lenovo
Model	Loop	Spectra HX03F Smart Band
Release date	December 5, 2025	-
Model Name	Polar Loop	Spectra HX03F
Material	Stainless Steel	Silicone
Suitable For	Unisex	Sports, Fitness
Water Resistant	Yes	Yes
Model Number	-	Spectra HX03F
Color	-	Black
Reading Type	-	Digital
Ideal For	-	Unisex
Touch Enabled	-	Yes
Function	-	Heart Rate, Tracks Steps, Distance, Calories Burned, Pedometer, Sleep Monitor, Alarm Clock Reminder, Anti Sleep Mode, Sedentary Reminder, Sports Statistics, Motion Reminder
Dial Shape	-	Rectangle
display and battery features
Battery Type	Lithium Polymer (Li-poly)	Lithium Ion (Li-ion)
Charge Time (hours)	8	-
Battery Capacity (mAh)	170	-
Display Resolution	-	160 x 80 Pixels
Display Type	-	LCD
Battery Life (Days)	-	7
performance features
Water-Resistant Depth (metres)	30	-
Operating Temperature (Celsius)	-20 °C - 50 °C	-
Shock Resistant	-	Yes
activity tracking function
Blood Pressure Monitor	Yes	-
Calories Burned	Yes	-
Distance Covered	Yes	-
Heart Rate Monitor	Yes	-
Sleep Tracking	Yes	-
SPO2 Monitor	Yes	-
Step Counter	Yes	-
workout modes
Treadmill	Yes	-
Exercise	Yes	Yes
Outdoor Running	Yes	Yes
Cycling	Yes	Yes
Walking	Yes	Yes
sensors
Electrical Heart Rate Sensor	Yes	-
Gyroscope	Yes	Yes
Optical Heart Rate Sensor	Yes	Yes
Pedometer	Yes	-
Vibration Motor	Yes	Yes
dimensions
Weight (grams)	29	20
Width (mm)	27	-
Height (mm)	42	-
Depth (mm)	9	-
connectivity features
Wi-Fi Enabled	-	No
Bluetooth Enabled	-	Yes
Bluetooth Version	-	v4.2
compatibility
Compatible Devices	-	Android & iPhone
Compatible Android Version	-	Android 5.0 and above
Compatible iOS Version	-	iOS 9.0 and above

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