Montblanc MB01 Over-Ear Headphones Black, 127673. The Montblanc MB 01 Over-Ear Headphones are our answer to clients' growing expectation of comfortable companions for longer meeting days, sound qualit more→y and haptic experience. Their combination of leather, comfortable cushions and contemporary headphone technology enable our audiences to master a full day of calls, relax while listening to their favorite tunes or focus with Active Noise Cancellation. CONNECTIVITY: Bluetooth 5.0 (Multipoint, 10m range), Wireless and Wired. Connectivity to Smartwatch. IN THE BOX: Headphones, pouch, jack cable, USB cable, airline adapter.