Should come with adapter.

was provided the 520 headset at work and while the features are great, the plastic portions that connect the speakers to the headband separated and the entire unit fell apart after 6 months of 8 hour m-f usage; not an isolated incident as my cube mate's fell apart faster than mine did

Purchased for two of our office users and they are extremely happy! [This review was collected as part of a promotion.]

good all-round headset.decent stereo sound and good microphone quality.comfortable fit also.

nice product quality

nothing with good sale price

Feedback from the call centre staff and the supervisor has been excellent and I would rate them 5 in all areas. The staff are extremely pleased with them. Initially we did have some comments from a couple of staff saying that perhaps we should have got the headset with just one earpiece rather than...