Sennheiser Momentum 4 Wireless Headphones (700383)

Over-Ear Wireless Headphones
Brand: Sennheiser
Model: MOMENTUM 4 Wireless
Color: Graphite
Wearing Style: Headband, circum-aural (around-the-ear)
Connectivity: Bluetooth 5.2, Class 1 (supports A2DP, AVRCP, HFP)
Audio Codecs: SBC, AAC, aptX™, aptX adaptive™
Noise Cancellation: Hybrid Adaptive ANC (Active Noise Cancellation)
Transparency Mode: Yes
Driver Type: Dynamic, 42mm diameter TrueResponse™ transducer
Frequency Response (Speaker): 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)
Microphone: MEMS type, 2 mics per side (beamforming for noise reduction)
Microphone Frequency Response: 50 Hz to 10 kHz
Battery Life: Up to 60 hours music playtime via Bluetooth and with ANC
Charging Time: Approx. 2 hours for full charge; 10 min charge for up to 6 hours playtime
Charging Port: USB-C
App Support: Sennheiser Smart Control app (iOS & Android) for EQ, sound modes, sound personalization, and settings.
Smart Features: Smart Pause, Auto On/Off
Included Accessories: Carry case, USB-C charging cable, 3.5mm audio cable, USB-C to USB-A adapter.