600mAh AHB622540N01 Battery Replacement Compatible with Sennheiser HD 4.40, HD 4.50, Urbanite XL, Momentum 2.0 Wireless Bluetooth Headphones. - Newegg.com
Amazon.com: Sennheiser Momentum 2.0 On-Ear for Samsung Galaxy - Black : Electronics
Sennheiser Momentum 2.0 Over-Ear Headphones Inc In-Line Remote & Mic - Ivory | ProBikeKit Australia
The Momentum 2.0 Over-ear is over half-off at Best Buy Right Now : r/ headphones
Purchased a pair of refurbished original Momentums which 10 days later turned out to be not in stock, so Sennheiser sent me these brand new Momentum 2.0's instead! : r/headphones