Earbuds with detachable harness strap

1. Headphones comprising:

an earbud comprising:

a knob-shaped body comprising a cylindrical structure;

an earbud tip extending from the knob-shaped body from a wall along a height of the cylindrical structure and in an at least a partially radial direction of the cylindrical structure and configured to enter an ear canal of a listener;

a harness strap interface disposed on the knob-shaped body and configured to removably accommodate a detachable harness strap; and

a harness strap comprising at least one elastomeric retainer loop configured to removably retain the earbud by:

stretching around the knob-shaped body, and

seating in the harness strap interface.

2. The headphones of claim 1 , wherein the harness strap interface comprises a groove fully circumscribing the knob-shaped body, the groove configured to hold a retainer loop of the detachable harness strap.

3. The headphones of claim 2 , further comprising a detachable wing attachment configured to removably engage with the groove.

4. The headphones of claim 1 , wherein the knob-shaped body comprises one selected from a group consisting of a plastic and a metal surface.

5. The headphones of claim 1 ,

wherein the earbud further comprises charging terminals on the knob-shaped body.

6. The headphones of claim 1 , wherein the earbud tip further extends from the knob-shaped body in a direction about perpendicular to a longitudinal axis of the cylindrical structure.

7. A headphones kit comprising:

two earbuds, each of the two earbuds comprising:

a knob-shaped body comprising a cylindrical structure;

an earbud tip extending from the knob-shaped body from a wall along a height of the cylindrical structure and in an at least a partially radial direction of the cylindrical structure and configured to enter an ear canal of a listener;

a harness strap interface disposed on the knob-shaped body and configured to removably accommodate a detachable harness strap; and

the detachable harness strap, comprising two elastic retainer loops configured to removably retain the earbud by:

stretching around the knob-shaped body, and

seating in the harness strap interface.

8. The headphones kit of claim 7 , wherein the harness strap interface comprises a groove fully circumscribing the knob-shaped body, the groove configured to hold a retainer loop of the detachable harness strap.

9. The headphones kit of claim 8 , further comprising a detachable wing attachment configured to removably engage with the groove.

10. The headphones kit of claim 7 ,

wherein each of the two earbuds further comprises charging terminals on the knob-shaped body.