M38

1. Connection type: Bluetooth (mostly Bluetooth 5.0 or 5.3).
2. Battery life: It can range from 3 to 8 hours of continuous use, with battery life increasing when using the charging case.
3. Sound quality: Support high-resolution audio technology, such as AAC or SBC.
4. Touch control: The ability to control music and calls via touch.
5. Water resistant: Some models may be water resistant (e.g. IPX4).
6. Comfort: Ergonomic design suits prolonged use.
7. Digital screen: display battery level or connection status.