Genuine Jabra item, taken from a set. Listed as 'used' with no form of warranty beyond the eBay guarantee.
Important: will only work with Jabra 'Elite 3'. Will not work with 'Elite 3 Active' or any other model, even if it looks similar. If you ignore this and buy it for a different model, postage both ways will be deducted from the refund. If you aren't sure which model you have, message before buying.