- Audio quality is our top priority: Experience great sound with a 7 millimeter dynamic driver and a wide range of Bluetooth codec support
- Long battery life (20 hours) and comfortable wearing: Get up to 20 hours of music playtime with one charge - The ergonomic design offers optimal comfort and secure fit with 4 ear adapter sizes
- Personalize to your everyday needs: Fully adaptable controls for music, calls and voice assistant - Built-in audio equalizer adapts the sound to your personal preferences
- Full digital control with our app: Our Smart Control app for iOS / Android allows all of the earphone functionalities to be modified to your personal choice
- Enjoy outstanding sound quality no matter your mobile device or your surroundings with our wide range of audio codec support including AAC, aptX, SBC as well as passive Noise Cancelling
- Sennheiser uses decades of expertise to drive the world of audio technology forward with every product - for new, unique sound experiences
Model Number: CX400TW1
Brand new item in unopened retail packaging. Backed by our no hassle, free 30-days return policy.
Like New Device in perfect working and cosmetic condition. Retail packaging will be missing, worn, or previously opened. Backed by our no hassle, free 30-days return policy and a 90 day warranty against any manufacturer defects.
Devices have passed all functional tests performed and may exhibit some minor cosmetic blemishes. Backed by our no hassle, free 30-days return policy and a 90 day warranty against and manufacturer defects.
Devices have passed all functional tests performed. They will exhibit more noticeable cosmetic blemishes. Backed by our no hassle, free 30-days return policy and a 90 day warranty against and manufacturer defects.
To thank you and show our appreciation for your service, we've partnered with GovX to offer a discount on our store!
This offer is eligible for:
- Current & former U.S. military
- Military spouses & dependents
- First responders including law enforcement, fire, and EMS
- Federal, state, and local government employees
How it works:
- Click the button to claim your discount and you'll be asked to verify your affiliation with GovX ID. Verification is real-time and secure. If you already have a GovX ID account, just log in!
- After you verify, you'll receive a single-use discount code to apply at checkout. Be sure to copy your code.
- For future purchases, simply log in with your GovX ID to unlock a new discount code.
- There is a limit of one discount code per day.
Payment & Security
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.