Break through the limitations of wired listening with Solo2 wireless headphones, pair with bluetooth device and move about freely for up to 30 feet of wireless listening. With Solo2 wireless you can pick your calls hands free with the built in mic and use the on-ear controls to adjust your listening experience without having to reach for your device. With the 12 hours rechargeable battery, you can stay unplugged all day. The illuminated LED fuel gauge on the headphones lets you know when your headphone due for charging. The Solo2 wireless has a dynamic and wide range of sound with enhanced clarity. The ear cups eliminate outside noise bringing you closer to the artist you want to listen to.