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Yes , they do . But the volume controls are not fully functional .
Beats Solo, Beats Solo HD, Beats Tour, iBeats, urBeats, HeartBeats, PowerBeats, Beats Mixr, and Beats Pro
beats solo are cheaper and they can break easily while solo hds have a stronger headband and they have much clearer sound too
The power from the device your headphones are plugged into powers Beats Solo HD's.
Beats by dr.dre solo hd is better than studio its portable lightweight nice quality
No, Beats by Dr. Dre Solo headphones do not require batteries.
the beats solo
No, Beats Solo and Beats Mixr don't.
Yes!
yes
3-20,000
NO only the stdio