Pair and play with your Bluetooth device with 30 foot range. Fine-tuned acoustics for clarity, breadth and balance. 12 hour rechargeable battery with fuel gauge.Take hands-free calls with built-in mic. What’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 Card. Connectivity technology: Bluetooth, wired.