Beats Solo2 Wireless Headphone The Dre Solo 2s also boast updated acoustics for incredible sound clarity, ensuring you get the very best from you music. Stay unplugged all day thanks to the 12 hour rechargeable battery. They’re foldable, compact, comfortable and lightweight too so you can take them with you anywhere. The unmistakable Beats design ensure you’ll really stand out from the crowd. Use the on-ear controls to adjust your listening experience without reaching for your device.