The offer of receiving free Bose Frames Alto or Rondo with the purchase of an A20 Aviation Headset or ProFlight Series 2 Headset is valid only on purchases made between 30 November 2020 and 9 January 2021, or while stock lasts. This offer may not be combined with any other offers or applied to previous purchases. 199,95 GBP is the price under which the Bose Frames Alto or Rondo are available on Bose.co.uk. In the event of a product being returned, any free product must also be returned before we can refund your purchase. This promotion is only available at participating resellers and online stores.