Couple of days back I temporarily exchanged my Zolo liberty with a pair of my friend's Zolo liberty + for testing purpose.
*Official app at Play Store for Liberty plus
*Good Battery (only for the charging case)
*Bit smaller in size
*Voice transparency (I am not impressed)
*Smaller charging case
*Upgraded bt version
*Grip/Fit is not good as Liberty
*Range issue while obstacles involves like walls, human bodies etc although having top of the line BT version.
*BT version more then 4.2 is having more radiation especially when there is a triangle of communication involved eg.. Right earbud communicate with the phone (causing miner rediation/harm to the user) and at the same time the right bud constantly communicate with the left bud right through the brain (more harmful if the BT ver exceeds from 4.2.. Its well explained if you Google for it)
*ZOLO should work on advancement of Liberty rather then Liberty +
Zolo may launch a better version of liberty by enhancing and adding more spacs in EXISTING Liberty while keeping the same BT version (4.2) and the size (bigger size of Liberty helps flawless connectivity what I guess)
I will take my liberty back by tomorrow as I am feeling uncomfortable with the PLUS.
The connectivity and health is compromised/MINUS with the LIBERTY PLUS.
Above review is my personal opinion and findings and can be wrong.