About this item Optional 6 music modesAdopted most advanced dual 40mm dynamic sound unit and 6 EQ modes BERIBES updated headphones wireless bluetooth black were born for audiophiles Simply switch the headphone between balanced sound extra powerful bass and mid treble enhancement modes No matter you prefer rock Jazz Rhythm Blues or classic music BERIBES has always been committed to providing our customers with better sound quality as the focal point of our engineering 65 Hours PlaytimeLow power consumption technology applied BERIBES bluetooth headphones with builtin 500mAh battery can continually play more than 65 hours standby more than 950 hours after one fully charge By included 35mm audio cable the wireless headphones over ear can be easily switched to wired mode when powers off No power shortage problem anymore All Day ComfortMade by premium materials 038lb BERIBES over the ear headphones wireless bluetooth for work are the most lightweight headphones in the market Adjustable headband makes it easy to fit all sizes heads without pains Softer and more comfortable memory protein earmuffs protect your ear in long term using Latest Bluetooth 53 and MicrophoneCarrying latest Bluetooth 53 chip after booting 13 seconds to quickly pair bluetooth Beribes bluetooth headphones with microphone has faster and more stable transmitter range up to 33ft Two smart devices can be connected to Beribes overear headphones at the same time makes you able to pick up a call from your phone when watching movie on your iPad without switching After Sale ProtectionPackage include a Foldable Deep Bass Headphone 35mm backup audio cable USB charging cable and User Manual Provide one year money back guarantee and three year warranty lifetime worry free user support contact us anytime if you have any questions about the product we will reply within 10 hours Brand BERIBES Model Name 202A Color Black Form Factor Over Ear Connectivity Technology Wireless Wired