1. bluetooth 5.0 technology, using the latest bluetooth technology of version 5.0, it can be compatible with the old version, bringing the advantages of faster and longer transmission distance. Adopt true wireless technology, enjoy your wirelessly sports.
2. Easy to control: short press pause / play / answer / hang up, long press to power on/off.
3. IPX7 waterproof: without fear of water when you swimming or exercising.
4. Single-sided mode and binaural mode, satisfying your need.