Polar M400 vs. Sony SmartBand Talk vs. Acer Liquid Leap vs. Mobvoi TicWatch S2 vs. Apple SE (2022)
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| PolarM400Remove Buy Now | SonySmartBand TalkRemove Buy Now | AcerLiquid LeapRemove Buy Now | MobvoiTicWatch S2Remove Buy Now | AppleSE (2022)Remove Buy Now |
Basic Info | |||||
| Suggested Price | $200 | $170 | $90 | $180 | $249 |
| Release | 2014 | 2014 | 2015 | 2019 | 2022 |
Activity & Fitness | |||||
| Calories | |||||
| Cycling (Bicycling) | |||||
| Distance | |||||
| Heart | n/a | ||||
| Oxygen | |||||
| Sleep | |||||
| Steps | |||||
| Swim | |||||
Battery | |||||
| Duration | 8 hours to 30 days | 3 days | 5 to 7 days | 2 DAYS | Not yet |
| Rechargeable | |||||
Compatibility | |||||
| Android | |||||
| iOS | |||||
| Windows Phone | n/a | n/a | |||
| Mac | n/a | ||||
| Windows | n/a | ||||
Connectivity | |||||
| Bluetooth | |||||
| Cellular | |||||
| GPS | |||||
| NFC | |||||
| Wi-Fi | |||||
Display | |||||
| Color | 368 x 448 pixels | ||||
| Resolution | n/a | 296 x 128 | 128 x 32 | 400 x 400 | 40mm |
| Size | n/a | 1.4 inches | 1 inch | 1.39 inches | |
| Touch | LTPO OLED Retina | ||||
| Type | n/a | E Ink | OLED | OLED | |
Functions | |||||
| Audio Speaker | Alerts only | ||||
| Clock | |||||
| Phone | |||||
| Vibration | |||||
| Voice | |||||
Hardware | |||||
| Accelerometer | |||||
| Barometer or Altimeter | 5 ATM | ||||
| Ultraviolet Sensor | |||||
| Water Resistance | 3 ATM | IP68 | IPX4 | 5 ATM | |
Notifications | |||||
| Phone | |||||
| Emails | WatchOS 8.1 | ||||
| Texts | |||||
Software | |||||
| Operating System | n/a | Android Wear | Wear OS | ||
| Apps | |||||
| Music | |||||