Sanwa Supply Waterproof Bluetooth Single Ear Headset MM-BTMH41WBKN FREE

This headset supports Bluetooth 5.2. It is IPX4 waterproof, so you can use it even if you sweat or get caught in a sudden rain shower. The earpieces do not block your ears, so you can hear outside sounds safely. This headset has integrated ear hooks, so you can switch between the right and left ears without having to remove and reattach the ear hooks. The power can be easily turned on/off with a slide switch.