Beats Studio Wireless Over- Ear Headphone -White The Bluetooth stays connected up to 30 feet so you can feel free to roam and keep the music going. Take calls, skip songs, and change the volume right from the headphone. Headphone has Adaptive Noise Cancellation, a rechargeable battery, and re-engineered sound, just with no wires. The Bluetooth connection lets you enjoy your music wirelessly for up to 12 hours or up to 20 hours when plugged into your audio device The Beats Acoustic Engine(TM) makes your listening experience personal and real. Beats' signature DSP software is designed to generate the emotional experience that some of the music industry's greatest rock, hip-hop, pop, electronic, and R&B producers want you to feel. The studio wireless has a lighter, stronger, and more comfortable headband. We created softer ear cups and an ergonomic bellow to create a flexible, custom fit for every head shape Dual-mode Adaptive Noise Canceling feature automatically strikes the perfect blend between your music and the world outside. If you only want to use the headphone to cancel external noise, the ANC only mode automatically increases the level of noise cancellation, to put the world on mute The New Beats Studio Wireless comes with a built-in rechargeable battery that lasts 12 hours when using wirelessly and 20 hours when you do decide to plug in. With the Battery Fuel Gauge, you always know how much juice is left. Forget specialized adapters; the New Studio can be charged via micro USB almost anywhere What's in the box: Beats Studio Wireless(TM) headphones, RemoteTalk(TM) cable, 3.5mm Audio cable, USB 2.0 charging cable (USB-A to USB Micro-B),USB Power adapter,Hard shell carrying case, Quick Start Guide, and Warranty Card