Amazon.com: SENNHEISER Momentum 3 Wireless Noise Cancelling Headphones with Alexa, Auto On/Off, Smart Pause Functionality and Smart Control App, Black : Everything Else
Sennheiser MOMENTUM 4 Noise-Canceling Wireless Over-Ear Headphone, 42mm Drivers, Bluetooth 2.4, 60h Battery Life, Smart Control App, USB-C, Fold-Flat Earcups & Hard Travel Case, Black | MOMENTUM 4 Buy, Best Price. Global
An enhanced home audio experience
The smart control app is quite disappointing : r/sennheiser
Sennheiser Momentum True Wireless 3 review: How sweet the sound
[Momentum 4] Sennheiser Smart Control App Update adds more accurate EQ decibel count and voice/tone prompts. Firmware update for the M4s coming soon hopefully? : r/sennheiser