Beats by Dr. Dre Beats Mixr. Could be found on google, search "Beats by Dr. Dre Beats Mixr Headphones Manual". User Manual. What May be missing.
eBay
Replacement Audio Cable Cord Wire with in-line Microphone and Control for Beats by Dr Dre Headphones
Aliexpress UK
Without the original box, but all rest all brand new, only for photo shooting purpose that it has been taken out. Very beautiful product.
eBay
Pre-order THIEAUDIO Origin 1DD+4BA+2EST+1BC Quadbrid IEM Hifi Headphones with Custom Upgraded Cable
Aliexpress UK
Beats by Dr. Dre Beats Mixr. Could be found on google, search "Beats by Dr. Dre Beats Mixr Headphones Manual". User Manual. What May be missing.
eBay
Headphone Cable for Sony MDR-1000X WH-1000XM2 WH-1000xm3 Headphones Replacement Audio Cable Cord
Aliexpress UK
Could be found on google, search "Beats by Dr. Dre Beats Mixr Headphones Manual". the headphones. User Manual. 99% new,no original box,great condition,just tested.
eBay
Replacement 1.5m Extend Cable Headphone Cable Audio Cord Line for Logitech- G633 G635 G933 G935
Aliexpress UK
Bose SoundSport Wired 3.5mm Jack In-Ear Sports Headphones Charcoal Black for iOS. Product Type: Earphones - wired - 3.5 mm jack. Connectivity Technology: Wired. Headphones Form Factor: In-ear. Colour: White.
eBay
Portable Retractable Cable Round Hole 3.5mm Earphone cable 0.8m Cable for Android Phone Headphone
Aliexpress UK
Sill in original box with all the original accessories the box has split at the top of the side has u can see in picture 
eBay
Kinera Gramr Pro Headphone Cable With Detachable Boom Microphone 3.5mm 4.4mm Plug 0.78 2pin/MMCX
Aliexpress UK
Could be found on google, search "Beats by Dr. Dre Beats Mixr Headphones Manual". the headphones. User Manual.
eBay
LUN SHENG EP09 15.4mm Flat-Head Plug Wired Headphones Hifi Headphone Head MMCX Interchangeable Cable
Aliexpress UK
Sale is for the headphones, manual and original box.
eBay
TRUTHEAR Zero:BLUE2 earphone Dual Dynamic Drivers lEMs with Detachable Cable in Ear Headphone
Aliexpress UK