Shokz OpenFit 2+
11 h per charge and 48 h with the case, at 9.4 g per earbud. IP55 means sweat and rain, so keep them out of the pool.
What the maker states
| Battery | 11 h, Listening, earbuds; 48 h with case |
|---|---|
| Weight | 9.4 g, Per earbud; case is 56 g |
| Water rating | IP55 |
| External sensors | Bluetooth 5.4 |