Retain tactile control and consistent audio when portability matters. The Koss KPH25K on-ear headphones combine a straightforward wired connection with inline volume control so you can adjust levels without reaching for a device. The on-ear cushions balance isolation and situational awareness for transit, office and field use. Built for travel, the folding headband reduces bulk in a bag while maintaining a durable hinge and cable attachment. Choose KPH25K when you prioritize predictable wired signal, easy level control and compact storage over wireless pairing or battery maintenance.