Satisfaction is guaranteed on all Bose consumer products. Try your purchase for 90 days, 60 days for aviation headsets and accessories. If you’re not satisfied for any reason, simply return it within the 90-day risk-free trial period (115 days for L1 systems, 60 days for aviation headsets and accessories), for a full refund of the purchase price—at our expense. You can also exchange it for up to 90 days (60 days for aviation headsets and accessories). There’s no restocking fee.