The Koss BT221i Wireless Bluetooth® On-Ear Clip Headphones feature 6 Hour Battery (Rechargeable), In-Line Microphone & Remote (Play/Pause, Start/Stop, Volume, Answer/End) for taking calls and controlling musiKoss BT221i Wireless Bluetooth® Ear Clip Headphones 6 Hour Battery (Rechargeable) In-Line Microphone & Remote (Play/Pause, Start/Stop, Volume, Answer/End, etc.) Connect via Bluetooth® version 4.2 Pivoting ear-clip creates the perfect fit and seal Sweat Resistant Cable Management Clip.
