Beats by Dr. Dre Solo HD Naturally Noise Isolating On-Ear Headphones (Sour Apple Green) Beats Solo HD headphones are made to be a lighter, on-ear version of Studios. Compact enough to fit in your purse, Beats Solo HD headphones carry the powerful signature sound Beats by Dr. Dre products are famous for. Beats Solo HD on-ear headphones feature the original Beats by Dr. Dre signature sound profile in a smaller, sleeker, more colorful package. You get crystal clear highs and deep, rumbling lows in a lightweight headphone perfect for long listening sessions. Every pair is now constructed of super-durable, flexible material, reinforced with a metal strip to make sure it never comes apart. They look good, too  every pair of Beats Solo HD headphones feature the same high-quality clear-coat finish you find on a luxury sedan. Switch easily between songs and incoming calls. No need to take off your headphones or talk into the phone like a walkie-talkie.