Portable Audio & Headphones

Bluetooth(R) 2.1 with A2DP stereo profile; Pairing via voice prompts; Hands-free speakerphone for calls; Echo-canceling microphone; Streams audio up to 30ft; Protune speaker with deep bass; 6 buttons on top of speaker for easy access & full control of...

Powerful dynamic drivers for rich sound & realistic bass response; Comfortable secure fit ; Noise-isolating in-ear design; Angled tips; Microphone with button for call + music control; Includes 3 replaceable silicone earbuds for custom fit; Black;

Delivers powerful sound for music & audio needs; Ability to answer calls & talk hands-free from smartphone via built-in microphone; Easy to use controls to change music or answer any incoming calls ; Includes 3 sizes of noise-isolating gel earpieces;

Durable metal casting; Anti-tangle cable; Premium sound; In-line microphone ; Includes replacement silicone earcushions; Red;

Durable metal casting; Anti-tangle cable; Premium sound; In-line microphone ; Includes replacement silicone earcushions; White;

Bluetooth(R)-enabled device streams music to the speaker system; Bluetooth(R) 2.0 technology; 4W amplified speaker; 3.5mm aux input & audio cable allows connection of audio sources such as a computer, CD player or digital audio player; USB port for...

Bluetooth(R) 4.0; LED lights; Up to 6 hours of play time; Speakerphone; Rechargeable; Trouble;

Neodymium 13.5mm drivers; Freq resp: 16Hz-20kHz; Imp: 16ohm ; Sensitivity: 108dB/1mW; Oval form & soft rubber body; 3.3ft cord; Violet;

1-button remote & microphone for iPhone(R) & Android(TM); Soft, comfortable & secure fit; 10mm neodymium drivers; 3.3ft tangle-free color cord with gold-plated iPhone(R)-compatible slim plug; S/M memory foam eartips; Green;

Integrated remote & microphone for smartphones located on headphones; Single-sided cord;

Lightweight on-ear stereo headphones; Adjustable headband allows for secure fit for any age; Deep base production coupled with a wide frequency response; Covered under the Koss(R) stereophones limited lifetime warranty; Green;

Lightweight on-ear stereo headphones; Adjustable headband allows for secure fit for any age; Deep base production coupled with a wide frequency response; Covered under the Koss(R) stereophones limited lifetime warranty; Red;