It can only be used for pairing with wireless headsets and not for any file transfers (OBEX profile) or for wireless tethering.
Tethering rings on block or bow perches breaking due to badly welded joints.
These activities include hunting with dogs, animal circuses, tethering of horses and ponies and giving animal prizes.
That's why "tethering" a broadband digital mobile phone to a laptop is such a great solution.
Not all cell phones are capable of tethering.