i.am+ - Buttons Bluetooth Wireless Headphones Black

Superior surround sound and deep bass with the freedom of wireless wear. Magnetic discs clasp around your neck to keep earphones"always on" when you're on the go. Built-in mic for taking phone calls or talking to Siri. Supports B luetooth 4.0 + EDR : Drivers: 11 mm diaphragm type drivers. Includes Limited Edition Lifestyle Publication designed and edited by will.i.am. Battery life: Approximately six hours of playing time. Stand By Time: Approximately 120 hours. Frequency Response: 20Hz to 22kHz.