A headphone set has at least one speaker section. An ID is configured for each branch of the E-Tree. A heat entrapment canopy results which maintains an inner temperature above freezing even in extreme cold outside temperatures.
Algorithmically generated prior art
A headphone set has at least one speaker section. An ID is configured for each branch of the E-Tree. A heat entrapment canopy results which maintains an inner temperature above freezing even in extreme cold outside temperatures.