Headphones Koss with microphone

overhead, open, wireless, Bluetooth v 4.2, 15 – 25000 Hz, battery: up to 6 h

overhead, open, wireless, Bluetooth v 4.1, aptX, foldable, 15 – 25000 Hz, battery: up to 12 h

in-ear, wired, 3.5 mm, 1.2 m, 18 – 20000 Hz, 16 Ohm, 45 degree angle plug

in-ear, wired, 3.5 mm, 1.2 m, 60 – 20000 Hz, 32 Ohm, L-plug

overhead, closed, wired, detachable cable, USB A, 2.4 m, 20 – 20000 Hz

in-ear, wireless, true wireless, Bluetooth v 5.0, 20 – 20000 Hz, battery: up to 5 h

in-ear, wired, 3.5 mm, 1.2 m, 18 – 20000 Hz, 16 Ohm, 45 degree angle plug

in-ear, wireless, true wireless, Bluetooth v 5.0, battery: up to 5 h

overhead, open, wireless, Bluetooth v 4.2, 50 – 18000 Hz, battery: up to 6 h

overhead, open, wired, 2x3.5 mm, 2.5 m, 30 – 16000 Hz, 32 Ohm

office, overhead, open, wired, 2x3.5 mm, 2.4 m, 20 – 22000 Hz, 32 Ohm

overhead, open, wired, 3.5 mm, 1.22 m, 15 – 25000 Hz, 60 Ohm

in-ear, wireless, Bluetooth v 4.1, 18 – 20000 Hz, 16 Ohm, battery: up to 6 h

overhead, closed, wireless, Bluetooth v 5.0, 20 – 20000 Hz, battery: up to 18 h

in-ear, wireless, Bluetooth v 4.2, 18 – 20000 Hz, 16 Ohm, battery: up to 6 h

overhead, closed, combined, detachable cable, 3.5 mm, 1.4 m, Bluetooth v 5.0, AAC, aptX, active noise cancellation, foldable, 20 – 20000 Hz, battery: up to 35 h

overhead, closed, combined, detachable cable, 3.5 mm, 1.4 m, Bluetooth v 5.0, battery: up to 12 h

inserts, wired, 3.5 mm, 1.2 m, 60 – 20000 Hz, 16 Ohm

overhead, closed, combined, detachable cable, 3.5 mm, 1.4 m, Bluetooth, NFC, foldable, 10 – 25000 Hz, 38 Ohm, battery: up to 8 h

overhead, open, wired, 3.5 mm, 1.2 m, foldable, 15 – 25000 Hz, 60 Ohm

office, one earphone, overhead, open, wired, 2x3.5 mm, 2.4 m, 30 – 16000 Hz, 32 Ohm

overhead, closed, wired, USB A, 2.4 m, foldable, 18 – 20000 Hz, 100 Ohm

office, one earphone, overhead, open, wired, 2x3.5 mm, 2.4 m, 20 – 22000 Hz, 32 Ohm

for active sports, in-ear, wireless, Bluetooth v 4.1, waterproof, 20 – 20000 Hz, 16 Ohm, battery: 40 mAh, up to 6 h