Additional 10% Off ALL Sale Items at Hearing Direct Go to / Join Merchant Written by Optimus Performance Marketing on May 29, 2020. Posted in Awin, Entertainment, Gifts, Gadgets & Toys, Health & Beauty, Home & Garden, UK, Voucher Codes Hearing Direct Affiliate Newsletter Additional 10% Off ALL Sale Items at Hearing Direct Grab an Additional 10% Off ALL Sale Items at Hearing Direct. This weekend only! Starting tomorrow and expiring - Midnight 31/05/20 Use code - SALE10 at Checkout. Click here to find out more. Join Hearing Direct Affiliate Programme With AWIN