Sqrgreat 6.5ft Male-to-Female 3.5mm to 6.35mm AUX Headphone Cable for Sennheiser Momentum 1.0, 2.0, 3, 4, HD1 Over-Ear/On-Ear Headphones

Sqrgreat Momentum 4 Replacement Audio Cable for Sennheiser Momentum Headphones with 6.35mm Adapter (2M / 6.6Ft)

Sennheiser Consumer Audio Momentum 4 Wireless Headphones - Bluetooth Headset for Crystal-Clear Calls with Adaptive Noise Cancellation, 60h Battery Life, Lightweight Folding Design, Black (509266)

Sennheiser Consumer Audio BTD 600 Bluetooth® Dongle - USB-A/USB-C Adapter with AptX Audio Codecs for Stable, Sound - Listen to Music, Make Calls, and Watch Videos