SONY MDR-ZX110NC Noise-Canceling On-Ear Headphones + Sony XB100 Portable Waterproof Bluetooth Speaker (Gray) Bundle includes on-ear noise-canceling headphones and portable speaker. The MDR-ZX110NC headphones use 30mm dynamic drivers with 10 Hz to 22 kHz response and active noise cancellation that reduces ambient noise by up to 95% or 13 dB. A single AAA battery powers ANC for up to 80 hours and headphones can also work passively. Foldable swivel earcups improve portability and a 3.9' Y-type cable helps prevent tangles. Features include neodymium magnets for deep bass and clear highs. In the box: headphones, AAA battery, and flight adapter. The XB100 Bluetooth speaker features UV coating and IP67 water and dust resistance, a 1.8" driver with passive radiator, Sony Sound Diffusion Processor for wide sound, Bluetooth streaming, built-in echo-canceling mic for hands-free calls, and a color-matching buckle strap for easy carrying. Bundle includes headphones and speaker. MPN: MDRZX110NC-2K UPC: 027242879362