Brand	Apple
Case Size	45mm
Case Shape	Rectangular
Band Type	Sport Band
Band Color	Midnight
Screen Size	45 millimeters
Display Type	Retina Display
Operating System	watchOS
Operating System Compatibility	Apple iOS
Voice Assistant Built-in	Siri
Wi-Fi Compatibility	Wireless B, Wireless G, Wireless N
Bluetooth Enabled	Yes
GPS	Yes
Global Positioning	GPS
Mobile Notifications	Yes
Alert Type	Audible, Vibration
Mobile Payment Service Supported	Apple Pay
Built-In Microphones	Yes
Music Player	Yes
Vibration Alert	Yes
Voice Activated	Yes
Metrics Measured	Activity vs. inactivity, Altitude changes, Cadence, Calories burned, Hours slept, Pace
Multi-Sport Tracking	Yes
Medical Incident Notification	911/EMS
Water Resistant	Yes
Maximum Depth of Water Resistance	164 feet
Dust Resistant	Yes
Rechargeable	Yes
Charging Interface(s)	Wireless
Battery Type	Lithium-Ion
Replaceable Battery	No
Case Material	Aluminum
Band Size	Adjustable

Brand	Amazfit
Color	Brown
Health	BioTracker™ 4.0 PPG biometric sensor (supports blood-oxygen, 4PD + 2LED)
Movement	Acceleration sensor Gyroscope sensor Geomagnetic sensor Barometric altimeter Ambient light sensor
Positioning	Dual-band and 6 satellite positioning systems
Connections	WLAN 2.4GHz, Bluetooth 5.0 and BLE
Body Material	Aluminum alloy middle frame high-gloss sprayed PC bottom shell
Buttons	1
Water-resistance Grade	5 ATM
Material	AMOLED
Size	1.75 Inch
Resolution	390×450
PPI	341
Touchscreen	Tempered glass anti-fingerprint coating
Materials	Fluoroelastomer / Liquid Silicone/ Nylon Quick release
Strap Width	20mm
Min. & Max. Wrist Dimensions	140mm-200mm
Buckle	Classic pin buckle
Battery Capacity	300 mAh (rated value）
Charging Method	Magnetic charging
Theoretical Charging Duration	Approx. 2 hours
Typical Usage Scenario Battery Life	Up to 8 days
Battery Saver Mode Battery Life	Up to 16 days
Clock Mode Battery Life	Up to 30 days
Heavy Usage Scenario Battery Life	Up to 4 days
Accuracy GPS Mode	Up to 16 hours
Balanced GPS Mode	Up to 28 hours
Power Saving GPS Mode	Up to 33 hours

Brand	Amazfit
Color	Superspeed Black
Health	BioTracker™ 4.0 PPG biometric sensor (supports blood-oxygen, 4PD + 2LED)
Movement	Acceleration sensor Gyroscope sensor Geomagnetic sensor Barometric altimeter Ambient light sensor
Positioning	Dual-band & 6 satellite positioning systems
Connections	WLAN 2.4GHz, Bluetooth 5.0 & BLE
Body Material	Aluminum alloy middle frame + high-gloss sprayed PC bottom shell
Buttons	2
Water-resistance Grade	5 ATM
Motor	Linear motor
Material	AMOLED
Size	1.43 inches
Resolution	466×466
PPI	326
Touchscreen	Tempered glass + anti-fingerprint coating + anti-glare bezel
Battery Capacity	475 mAh (rated value)
Charging Method	Magnetic charging
Theoretical Charging Duration	Approx. 2 hours
Typical Usage Scenario Battery Life	Up to 14 days
Battery Saver Mode Battery Life	Up to 24 days
Clock Mode Battery Life	Up to 50 days
Heavy Usage Scenario Battery Life	Up to 7 days
Accuracy GPS Mode	Up to 25 hours
Balanced GPS Mode	Up to 44 hours
Power Saving GPS Mode	Up to 52 hours

Brand	Amazfit
Color	Lava Black
Body Material	Dual-color plastic
Buttons	4
Water-resistance Grade	10 ATM
Material	TFT
Size	1.32 inches
Resolution	360×360
PPI	277
Touchscreen	Glass material + anti-fingerprint coating
Battery Capacity	370 mAh (rated value）
Charging Method	Magnetic charging base
Theoretical Charging Duration	Approx. 2 hours
Typical Usage Scenario Battery Life	Up to 16 days
Battery Saver Mode Battery Life	Up to 24 days
Heavy Usage Scenario Battery Life	Up to 10 days
Continuous GPS Usage	Up to 20 hours
Health	BioTracker™ PPG biometric sensor
Movement	Acceleration sensor Gyroscope sensor
Positioning	5 Satellite positioning systems
Connections	Bluetooth 5.0 BLE
Motor	Rotor motor
Materials	Semi-transparent TPU
Strap Width	22mm
Min. & Max. Wrist Dimensions	140mm-205mm
Buckle	Classic pin buckle

Wearables