Purchase two pairs of Bose QuietComfort® 45 headphones or Sport Earbuds in any combination and save 15% off the second pair of equal or lesser value. This offer is valid only when a customer purchases a new pair of Bose QuietComfort® 45 headphones or Sport Earbuds from Bose or an authorized dealer participating in this offer at full retail price. Offer valid in the US. Discount is not applicable to tax or shipping charges. Customer must have a valid shipping address in the United States to be eligible. PO boxes are not acceptable. This offer cannot be combined with other offers/promotions/programs or applied to previous purchases. Prices and/or offers are subject to change without notice. To qualify for this offer, the applicable Bose headphones must be purchased in one transaction and be visible on one receipt. If the Bose headphones are returned, the second pair purchased with the 15% discount must be returned in order to receive a full refund.