Sennheiser Momentum 4 Wireless Headphones

1. Sennheiser's Signature Sound:

Best-in-class sound with an audiophile-inspired acoustic system.
42mm transducer system for brilliant dynamics, clarity, and musicality.
2. Superior Sound:

Audiophile-inspired transducer system.
Exceptional dynamics, clarity, and musicality.
3. Your Way:

Built-in EQ, presets, sound modes, and Sound Personalization.
Tailors audio to individual hearing preferences.
4. New Adaptive Noise Cancellation and Transparency Mode:

Adaptive Noise Cancellation for total immersion.
Transparency Mode for situational awareness.
Touch control for easy switching.
5. Premium Look & Feel:

Exceptional comfort with a padded headband and cushioned earpads.
Lightweight design with a low-friction hinge mechanism for a perfect fit.
6. Smart & Easy:

Up to 60-hour battery life for long listening sessions.
Fast charging: 6 hours of listening in 10 minutes.
Smart Pause and Auto On/Off features.
7. Crystal-Clear Calls:

High-quality microphone system with beamforming for noise reduction.
Ensures clear calls and communication.
Specifications:

Wearing Style: Headband stereo headphones
Ear Coupling: Around-the-ear, circum-aural
Connectivity: Bluetooth 5.2 compliant, class 1, 10 mW (max)
Transmission Frequency: 2.402 MHz to 2.480 MHz; GFSK, π/4 DQPSK / 8 DPSK
Supported Profiles: A2DP, AVRCP, HFP
Codecs: SBC, AAC, aptX™, aptX adaptive™
Speaker Type: Dynamic
Transducer Principle: 42mm diameter
Speaker Frequency Range: 6 Hz to 22 kHz
Speaker Sensitivity: 106 dB SPL (1 kHz / 0 dB FS)
Total Harmonic Distortion (THD): <0.3% (1 kHz / 100 dBSPL)
Impedance: Active 470 ohms / Passive 60 ohms
Active Noise Cancellation: Hybrid Adaptive ANC
Microphone Principle: MEMS
Frequency Response (Microphone): 50 Hz to 10 kHz
Microphone Pick-up Pattern: 2 mics per side, beamforming for noise reduction
Battery Time: Up to 60 hrs music playtime via Bluetooth and with ANC
Charging Time: Approx. 2 hrs for full charge; 5 min charging for up to 4 hrs playtime
Battery Type: Built-in Lithium-Ion rechargeable batteries 700 mAh
Power Supply: 5 V⎓, 800 mA max, USB charging via USB-C socket