Sennheiser headphones have various features. For example, they differ in sound and comfort. In-ear headphones with Bluetooth are a good choice when you're on your way to work. The Momentum 3 headphones are compact and don't completely isolate you from your surroundings. Bluetooth also ensures that you can connect your Sennheiser headphones wirelessly to your smartphone. This gives you more freedom of movement. Want to enjoy your music at home without being disturbed? Over-ear headphones with noise canceling are a good choice for you. The technology reduces background noise and you can immerse yourself in your favorite song without being disturbed.