SOUL Electronics SV3BLK Volt Pro Hi-Definition On-Ear Headphones with In-Line Remote and Microphone - Black. Advanced driver and circuitry design for powerful deep bass and clear mids and highs. Bluetooth® v4.0+ EDR, Class II. Apt-X decoder for high quality stereo music playback. Built-in dual microphone for noise reduction. Up to 12 hours of battery life. And buy this Headphone you can Get Free Shipping on a SOUL Electronics SV3BLK Volt Pro Hi-Definition On-Ear Headphones w/ In-Line Remote & Microphone for $99.99 at Rakuten.com, a $70 Savings!