A:AnswerThe IAHB48MB are not listed as sweatproof, that said as long you wipe the ear cuffs and maintain them you should have no issues. Varies on Headphone usage.
A:AnswerI only see volume button, answer, power, bluetooth and pause. I listen to music on YouTube and am not able tobforward to next song. Not sure if it will work for a playlist on actual phone. Hope this helps.
