Polar M600 vs. Huawei Talkband B2 vs. Acer Liquid Leap vs. Apple Watch Series 4 vs. Apple Watch 7

 
M600
Talkband B2
Liquid Leap
Watch Series 4
Watch 7
 PolarM600Remove Buy NowHuaweiTalkband B2Remove Buy NowAcerLiquid LeapRemove Buy NowAppleWatch Series 4Remove Buy NowAppleWatch 7Remove Buy Now

Basic Info

Suggested Price$330$180$90$329$429
Release20162015201520182021

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days3 days5 to 7 daysNot Yet18 Hours
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/a
Macn/a
Windowsn/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution240 x 240128 x 88128 x 32384 x 480396 x 484
Size1.3 inches0.73 inches1 inch1.78 inches1.9 inches
Touchn/a
TypeTFTPMOLEDOLEDMicroLEDMicroLED

Functions

Audio SpeakerAlerts onlyBluetooth
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX8IP57IPX4Not Yetwater resistant but not waterproof

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid Wearn/aWatch OS 5WatchOS 8
Apps
Music

All Wearables