Do you have a question about the Sennheiser MM 450-X and is the answer not in the manual?
General safety rules for product use and preventing harm.
Specific safety guidelines for the lithium-polymer battery pack.
Instructions for charging the headset's battery pack.
Steps to pair the headset with a Bluetooth audio source.
How to switch the headset on/off and adjust volume levels.
Controlling audio sources and managing phone calls.
| Type | Over-ear |
|---|---|
| Bluetooth | Yes |
| Supported Profiles | A2DP, AVRCP, HSP, HFP |
| THD, total harmonic distortion | < 0.5% |
| Ear coupling | Circumaural |
| Talk time | Up to 15 hours |
| Charging time | 3 hours |
| Microphone | Yes |
| Foldable | Yes |
| Connectivity | Bluetooth |
| Noise Cancellation | Active Noise Cancellation |
| Battery Life | Up to 20 hours |
| Codecs | aptX |
| Battery | Lithium-ion |











