1. You must activate refunded returns with Paypal and you must use Paypal as the payment method at checkout. Paypal may refund your return shipping cost. Please ensure that you read the terms and conditions provided by Paypal as this service is only avaliable for selected countries. 

Active the service through Paypal:

2. Submit your proof of return (the receipt of the postage cost) within 30 days of return on Paypal

This service is provided by Paypal and VOCARO is not responsible for return shipping cost.