Connectivity Technology: Wired/WirelessnPair and play with your Bluetooth device with 30 foot rangenFine-tuned acoustics for clarity, breadth and balancen12 hour rechargeable battery with fuel gaugenTake hands-free calls with built-in micnWhatu0026#39;s in the box: Beats Solo2 Wireless on-ear headphone, carrying case, RemoteTalk cable, USB 2.0 charging cable (USB-A to USB Micro-B), Quick Start Guide, Warranty CardnUnplug your Beats Solo2 Wireless headphones, pair with your iPhone, iPad, the new Apple TV or iPod and move freely for up to 30 feet of wireless listening. Take hands-free calls with the built-in mic, and use the on-ear controls to adjust your listening experience without reaching for your iPhone. Stay unplugged all day thanks to the 12-hour rechargeable battery. The illuminated LED fuel gauge on the headphone lets you know when its time to recharge.