Sennheiser HDB 630 Wireless Audiophile Headphones (Open Box) NO BARCODE The M17 features a seven-color

The M17 features a seven-color RGB ambient light system with extensive customization options

When they met again

Giving an 'old-school' medium a modern spin

resulting in faster response times and highly detailed imaging

Dedicated for Bluetooth Amplifiers

Sennheiser HDB 630 Wireless Audiophile Headphones (Open Box) NO BARCODE The M17 features a seven-colorHDB 630 Audiophile sound, cut loose HDB 630 with BTD 700 Bluetooth USB C Dongle included You want it all. High resolution, neutral tone, extra long battery life, flawless active noise cancellation, and of course, no more cables. Meet the closed back HDB 630. With the included BTD 700 Bluetooth USB C Dongle, you're free to enjoy glorious audiophile sound anywhere you go. Enjoy perfectly balanced audiophile sound everywhere you go Get high resolution