Features the iconic Beats sound with Dual-Mode Adaptive Noise Canceling, plus the added benefit of wireless listening. Pair and Play with your Bluetooth device with 30ft range. 12-hour rechargeable battery with Fuel Gauge. Soft ear cups have an ergonomic bellow that creates a flexible custom fit, so you can keep your music all to yourself. Headphones come with a RemoteTalk cable, a USB 2.0 charging cable, a hard shell carrying case, quick start guide, and warranty card. Refer to the PDF attached below in Technical Specification for User Manual.