First you should charge the headset, it took only 20 minutes with me. Press and hold the middle button, the headphones are turned on and you can see directly on your phone and pair.
The respective 3 different sizes of pegs and hooks are supplied, the headphones actually fit in each ear.
The sound quality is very good thanks to Bluetooth 4.0 and the transfer does not stop. I have even after 15 meters yet full reception.
The volume can be very high rules and the battery life is also perfectly adequate.
The Headset function is absolutely top, I could understand my interlocutor loud and clear and this me despite strong winds.
I can here ausprechen an absolute buy recommendation!