The Koss Headphones BT232i Wireless Bluetooth® In-Ear Buds features 6+ hours of battery life, in-line microphone + remote and include three sets of cushions (s, m, l). 
Koss BT115i Wireless Bluetooth In-Ear Buds Features Video
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Koss Hybrid Headphones
What Are Koss Hybrid Headphones? Designed for Longevity. Not Obsolescence. Koss Hybrid Headphones are designed to move effortlessly between wireless freedom and wired fidelity. On the surface they ... more
A Closer Look: KPH30 Wireless
Say hello to the next generation of KPH30. Built on an all-new sophisticated design that stays true to the original KPH30i aesthetic, KPH30 Wireless has been reimagined from the inside out. KPH30 W... more
Introducing: KPH30 Wireless
Introducing: The Next Generation of KPH30 KPH30 Wireless Reimagined from the inside out, KPH30 Wireless delivers breathtaking high-fidelity audio and features a sophisticated new design that stay... more