At the 4th studio training began the unit to develop a life of its own. It reminded me very much of the Motorolla S9 HD.
The problem lies einfacah that still no one has come up with the idea to let the headset charge wireless. Currently there are unfortunately enough working surfaces for sweat and moisture and to you get this problem under control has own the equipment halt just for leisure or for "non-Schwitzer" (pseudo-athletes).
I think it's just a pity that once again I fell on the great marketing campaign. Sporty, sweaty people, a super Headset Lets Go !. No way!
Again a lot of time wasted on the reciprocating scribbling and send. Luckily, there are Amazon whereby the return shipping is very simple.
Tips: Wireless Charging and totally sealing! Finally, there are now MP3 players for swimmers!
Conclusion: never buy the first generation!