Press The Ult Button To Boost Your Bass & Feel The Incredible Power Of Sound. Quality Noise Canceling With Dual Noise Sensor Technology & V1 Processor. Unique Thermo-Foaming Design For Smooth Cushions That Comfortably Mold To Your Ears. Swivel Fold Design And Compact Carry Case For Portable Packing. Up To 30-Hour Battery Life And 10 Min. Charge For Up To 5 Hours Of Listening. Multipoint Bluetooth Connection Allows You To Link Two Compatible Devices. Made With Recycled Plastic Material And No Plastic Packaging.