bluetooth vs sound redirection battery wise

[thelawfull]

quick question ive been wondering for awhile
bluetooth drains battery, but doesnt redirecting sound to the bluetooth save battery cause it doesnt have to use the phones speakers?.

 

[Bg260]

quick question ive been wondering for awhile
bluetooth drains battery, but doesnt redirecting sound to the bluetooth save battery cause it doesnt have to use the phones speakers?.

Ugh. Maybe

http://m.thewirecutter.com/blog/what-you-should-and-shouldnt-do-to-extend-your-phones-battery-life/