- This product is supplied without a charging adaptor. 
- The required output of a suitable charging device is 1W minimum and 3.75W maximum. 
- This product does not support PD fast charging (harmonised fast charging). 
Sennheiser Momentum 4 Wireless Headphones - Bluetooth Headset for Crystal-Clear Calls with Adaptive Noise Cancellation, 60h battery life, customisable sound and lightweight folding design. 
Sennheiser Signature Sound powered by the audiophile-inspired 42mm transducer system and aptX Adaptive for the highest resolution audio. 
Customizable sound via built-in equaliser, presets, sound modes, and Sound Personalisation for a bespoke audio experience. 
Control the environment with Adaptive Noise Cancellation for immersive music without distractions and Adjustable Transparency Mode to stay in touch with the world around. 
Headphone Features
- Synthetic Leather ear pieces. 
- 3.5mm jack cord. 
- Detachable cable. 
- Connection: wireless and wired. 
- Bluetooth enabled for a wireless connection to your devices . 
- Connects to devices via Bluetooth 5.2. 
- With a 3.5mm jack connection. 
- 3.5mm jack . 
- 42mm driver. 
- Touch on side controls. 
- Adjustable headband. 
- Active noise cancellation. 
- Carry case included. 
- Bass control. 
- Compatible with universal smartphones. 
- Batteries required 1 x Li-Ion battery (included) . 
- Max. 60 hour battery life with Noise-Cancelling off.
- Rechargeable battery. 
- 5 minute charging time. 
- Fast charge to boost battery life. 
- In the box: Headphone, carry case, USB-C charging cable, Audio cable 3.5mm, 2.5mm jacks airplane adapter. 
General Information
- Model number: 509267. 
- Manufacturer's 2 year guarantee. 
- EAN: 4260752330459. 
- Warning - Not suitable for children under the age of 3 years due to small parts and entanglement hazard. 
- Caution – To prevent possible hearing damage, do not listen at high volume for long periods.