Product Information Bluetooth wireless convenience - with the power and freedom of Bluetooth, there are no twisted headphone wires to untangle or restrict you. Sync all Bluetooth devices for high-quality sound up to 33 feet away Microphone & Call/ volume controller - built-in microphone & buttons on the headphones ear cup make it easy to turn power on/off, adjust volume, change tracks, pause for calls and resume play with just a touch High-quality sound - large 30mm neodymium drivers and acoustic bass control filter deliver sharp bass tones plus clear treble and vocals Ultra-light headphones - ultra-light design weighs only 4.5 ounces; soft padded ear cups swivel and fold flat to fit neatly in different size bags, Briefcases and purses Long-lasting battery - up to 20 hours of wireless playback when fully charged; over two hours of playback with a 15-minute quick charge Frequency Response - 5 – 50,000 Hz and Impedance - 41 ohms
