It depends on what you want out of your Beats:
If you want plenty of bass and something that looks very stylish, then the pros or studios may be the best for you.
If you want something cheaper but still stylish, then the Solo HDs would be the headphones for you.
If you want to be able to do exercises in gyms or go running, then the powerbeats earphones would be the best for you.
If you want a pair of headphones that are wireless but still cheap and stylish, then the Beats wireless would be your option.
If you are after a pair of headphones that are ideal for DJing then the Mixrs would be the ones for you.
The overall best Beats by Dr. Dres are the Beats by Dr. Dre Pros but if you cannot afford them you can always buy the Beats by Dr. Dre Solo HDs they are very well functioning and they block all outside noise and for the money the Beats by Dr. Dre Solo HD's are the best.
Currently, the most expensive pair of Beats are the Beats Pro, which go for around $400.
Beats by Dr. Dre Wireless are the wireless Beats by Dr. Dre, below is a link to them.
Yes, Dr. Dre is the co-founder and co-owner of Beats by Dr. Dre.
Beats by Dr. Dre Solos are the smallest over ear headphones by Beats by Dr. Dre.
You cannot get Beats by Dr. Dre products for free.
Beats by Dr. Dre is a line of headphones co-owned by Dr. Dre himself.
Beats by Dr. Dre headphones are made in China.
Abeat is the font on Beats by Dr. Dre.
It is literally called 'Beats By Dr. Dre' as Dre set it up.
No, Beats by Dr. Dre products are not waterproof.
No, the Beats by Dr. Dre headphones do not have a radio on it.