About this item For NC15 Headphones, World-leading Noise Cancellation Technology: Effectively quell 85% background noise, helps you to remove unwanted sounds, lets you block out the world around you to enjoy your music or the sweet sound of silence. ANC and Bluetooth can be controlled separately. ANC works well in both wired and wireless mode. Push the on/off button to turn on ANC not bluetooth For NC15 Headphones, Exquisite Craftsmanship: Stylish colorful looking, 3 cool colors suit your different clothes. Srhythm NC15 ANC Bluetooth headphone would be the eye-catching part on your daily outfit. Multi-level adjustable headband to find the right size for you. Folding to be portable size into carrying bag for travel For NC15 Headphones, Quality Stereo Sound: Dual 40mm large-aperture driver units and Bluetooth V5.0 Tech provide more stable transmission speed, lower latency and better audio output. Srhythm NC15 active noise cancelling over ear headphone gives you crystal-clear and powerful sound and a quiet listening world that helps you enjoy music better For Eyemask, Better Sleep: Pull out this incredibly lightweight, comfortable sleep mask/ EYE mask anywhere - in a bed, on a flight, on a long car ride, while camping - and enjoy uninterrupted, deep, restful sleep.This is for travel, home, Hotel, train or anywhere where one is bothered by light For Eyemask, Increase Rem Sleep: Naturally improve your mood, energy levels and cognitive function and get a full night’s sleep with this silk EYE mask that naturally blocks light for a faster, deeper sleep every single night. 100% Top Quality Silk that Will Enhance Your Sleep and Make You and Your Eyes Relaxed