A Certified Refurbished product is one thats been returned to Bose, for any reason. Its then thoroughly inspected, tested, and serviced to meet strict Bose sound quality standards - the same as a new product. Appearance is closely examined; products occasionally have minor, nearly imperceptible blemishes. All Refurbished products have the same warranty as new products, and are available only from Bose. Quantities are limited. - Headphone Fit: In Ear. Microphones: Built-in Microphone. Noise Control Type: Adjustable Noise Cancelling. Audio cable included: No. Water Resistant: IPX4. Case: Charging, Carry. Bud Single: 1.23" H x 0.79" W x 0.96" D (0.017 lb). Case: 2.61" H x 2.34" W x - 2 Bose QuietComfort Earbuds II - Bose Fit Kit: - 3 pairs of eartips (small, medium, large) - 3 pairs of stability bands (1, 2, 3) - Charging case - USB-C (A to C) cable (12") - Quick start guide