Sleep Wearable Form Factor
Compare smart rings, fitness bands, and smartwatches for overnight sleep tracking: comfort, battery habits, and sleep metric depth.
If you are interested in more details, you can find full information on the seller's page.
A 40 mm smartwatch with LTE cellular connectivity. Sensors include an accelerometer, barometer, bioelectrical impedance analysis (BIA) sensor, electrical heart sensor, gyro sensor, geomagnetic sensor, and light sensor.
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| Brand | Samsung | Samsung | Samsung | Samsung | Samsung | Samsung |
| Model | Watch9 | Galaxy Watch8 | Galaxy Watch9 | Galaxy Watch8 Classic LTE | Galaxy Watch8 | Galaxy Watch9 |
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| Price | €443.75 | €361.80 | €317.49 | €498.92 | €316.57 | €344.71 |
| Seller | Newegg | Newegg | Newegg | Newegg | Newegg | Newegg |
| Update | Nov 14, 2026 | Nov 14, 2026 | Nov 13, 2026 | Nov 13, 2026 | Nov 14, 2026 | Nov 13, 2026 |
| Size | 40 mm | 40mm | 40 mm | 46mm | 44 mm | 40mm |
| Sensors | Accelerometer, barometer, bioelectrical impedance analysis (BIA) sensor, electrical heart sensor, gyro sensor, geomagnetic sensor, light sensor | Accelerometer, Barometer, Bioelectrical Impedance Analysis Sensor, Electrical Heart Sensor, Gyro Sensor, Geomagnetic Sensor, Infrared Temperature Sensor, Light Sensor, Optical Heart Rate Sensor | Accelerometer, Barometer, Bioelectrical Impedance Analysis Sensor, Electrical Heart Sensor, Gyro Sensor, Geomagnetic Sensor, Hall Sensor, Infrared Temperature Sensor, Light Sensor, Optical Heart Rate Sensor | Accelerometer, barometer, bioelectrical impedance analysis sensor, electrical heart sensor, gyro sensor, geomagnetic sensor, infrared temperature sensor, light sensor, optical heart rate sensor | ||
| Model Name | Watch9 | Galaxy Watch8 | Galaxy Watch9 | Galaxy Watch8 Classic LTE | Galaxy Watch8 | Galaxy Watch9 |
| Part Number | SM-L345UZKAXAA | SM-L325UZSAXAA | SM-L340NZKAXAA | SM-L505UZKAXAA | SM-L330NDAAXAA | SM-L340NZKAXAA |
| Product Type | Smartwatch | Smart watch | Smartwatch | Smart watch | Smartwatch | Smartwatch |
| Product family | Galaxy | Galaxy Watch | Galaxy Watch | Galaxy Watch | Galaxy Watch | |
| Operating System | Wear OS Powered by Samsung | Wear OS Powered by Samsung | Wear OS Powered by Samsung | |||
| Band | Black sport band, S/M size | Sport Band | Black Sport Band | |||
| Wireless Connectivity | Wi-Fi and Bluetooth | Bluetooth and Wi-Fi | WiFi and Bluetooth | |||
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