Table 3.
Comparison of the two open-ear headphones used for prototyping.
| Headphones | Bose | Aftershokz |
|---|---|---|
| Weight (g) | 50 | 26 |
| Battery life (h) | Up to 5.5 | 8 |
| Charging time 0–100% (min) | 60 | 90 |
| Waterproof (IP) | No (IPX2) | Yes (IP67) |
| Retail price ($) | 249.95 | 159.95 |
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