Working in grim silence is a drag and these Sennheiser CX275S headphones are an answer.
They are in-ear headphones.
Beyond that bring them with you in a pocket purse or briefcase with Sennheiser CX275Ss' canal earbud design.
They include a microphone and are black and boast a 2 year manufacturer warranty.
Add some fun and excitement to dull work with these Sennheiser headphones.