Sennheiser HD 400s BLUETOOTH_YES Press a button on each

Press a button on each to pair them up

LightWeight with Comfortable Fit

5 in (176mm) woofers + 2x 2

The Philips IN-MMS4545B/94 2

Sensitivity: 99 dB/mW

Sennheiser HD 400s BLUETOOTH_YES Press a button on eachSennheiser HD 400s Wired Over The Ear Headphone with Built in Microphone & Remote for Office Calls and Music Control, Lightweight & Foldable Design, Renowned Sound Quality, Detachable Cable Frequency Response 20000 Hz Headphones Jack 3. 5 mm Jack Model Name HD 400s Connectivity Technology Wired Wireless Communication Technology Truly_Wireless Included Components HD 400S Around Ear Headphones, RCS 400 Detachable Single Sided Cable with 1 Button Remote