# Technical Specifications

| Feature           | <p><br></p>                                                                      |
| ----------------- | -------------------------------------------------------------------------------- |
| No. Channels      | 2                                                                                |
| Sampling Method   | Synchronous                                                                      |
| Sampling Rate     | 128Hz (8kHz internal)                                                            |
| EEG Resolution    | 14-bit                                                                           |
| Bandwidth         | 0.5 - 45Hz                                                                       |
| Filtering         | Low-Pass Filter 45Hz Cutoff                                                      |
| Dynamic Range     | 8400uV                                                                           |
| Couple Mode       | AC coupled                                                                       |
| Connectivity      | <p>Bluetooth Low Energy (4.2)</p><p>Bluetooth Classic: Supported (A2DP, HSP)</p> |
| Battery Life      | Up to 6 hours (160mAh)                                                           |
| Charge Time       | Up to 2 hours                                                                    |
| Motion Sensor     | 6-axis ICM-20648                                                                 |
| Motion Sampling   | 6.4Hz                                                                            |
| Motion Resolution | 10-bit                                                                           |
| Quaternion Output | Yes                                                                              |
| Sensor Material   | Dry, non-toxic, non-allergenic conductive elastomer earbud                       |

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