Send money and let her buy the headset
Buy in the UK and send via post
Find a company/supplier that will able to send the headset to the Philippines...
Above all costs money...
Well, I just struggle to believe that there's no online shop in the Phils who accepts Visa/Link...
I am going to visit Davao in May/June and just bring a headset or money, I hope I won't have any problems withdrawing money from cash machines.