| Price Point | $ | |
|---|---|---|
| Sampling Rate | 5 Hz | |
| Connection | Bluetooth via specific dongle | |
| Battery Life | Up to 6 hours on full charge | |
| Electrodes Offered | Disposable sticky electrodes if using wires with E4 | |
| Shelf Life | Up to 3 years with good care | |
| Warranty | 1 year | |
| Ppg Heart Rate Data | Yes | |
| Outputs Analyses Available | Raw data, peak detection, phasic amplitude R notebooks calculate all metrics | |
| Key Considerations | • Wrist-watch style setup • Additional electrode placement sites available only with wired electrode leads • Requires an internet connection for data collection |