Whether You're Using Them For Business or Pleasure, or Switching Between Both, Yealink's Bh72 Bluetooth Headsets Are The Perfect Fit. Providing Exceptional Audio Quality For Music, Media or Conversations, The Bh72 is The Only Headset You'll Need. The Lite Version Does Not Support Qi Wireless Charging. Certified For Microsoft Teams. Professional Sound Quality The Ole Wolff Diaphragm, an Industry-leading Professional Acoustic Component, Provides Wide Frequency Response And Higher Sensitivity of Music, Enabling You to Enjoy The Full Original Sound. Innovative Acoustic Shield Technology Yealink Acoustic Shield Technology Ensures Distraction-free Audio Quality With a Virtual Shield Created by Multiple Microphones, to Ensure You're Being Heard Clearly. Specially Tailored Noise-cancellation Microphones Placed in The Retractable Boom Arm, Deliver Your Message Crisp And Clear, Even in Noisy Environments. Easy Charging And Long Battery Life The Bh72 is Fully Charged in 3 Hours And Will Last up to 40 Hours For Music or 35 Hours of Talk-time. 5 Minutes of Wired Fast Charging Will Give You 4 Hours For Music or 3 Hours of Talk-time. The Lite Version Does Not Support Qi Wirless Charging. Seamless UC Experience Universally Compatible to Work With Common Calling Applications Across Almost All Platforms And Operating Systems, Yealink Headsets Are Ready For Your Business And Professional Communication From The Moment You Start. Retractable Microphone Arm Move Seamlessly From The Office to The On-the-go, With a Unique Microphone Boom That Retracts Out of The Way. The Discretely Hidden Boom Arm Still Guarantees Exceptional And Professional Sounding Calls, Even When Tucked Away. So When You're on The go, Only You'll Know You're Working. You Can Use The Tractable Arm to Answer Calls by Extending From The Retracted Position or Mute Calls by Retracting From The Extended Position, it Truly is a Great Feature of The Bh72. Uncompromising Comfort Providing an Ergonomic Design And All-day Comfort Was at The Top of The Priority List For The Bh72. To Create The Perfect Fitting Headset, Biometric Research of Hundreds of Heads And Wearing Styles Was Done, Ensuring Your Comfort Till The Last Minute of Long Workdays. What’s in it For You? Certified For Microsoft Teams Retractable Hidden Microphone Arm Acoustic Shield Technology & Anc Excellent Audio Experience With All Day Wearing Comfort Busy Light on Both Sides Up to 40 Hours Battery Life