Sennheiser Momentum True Wireless 4 Headphones Black Graphite

USB Type-C connector: Yes | Impedance: 470 Ω | Bluetooth: Bluetooth 5.4, Class 1 | Recommended usage: Music | Charging time: 120 min | Acoustic system: Open | Sound pressure level: 106 dB | Headset type: Binaural | Minimum operating temperature: 0 °C | Headphone frequency: 100 - 10000 Hz | Total Harmonic Distortion (THD): 0.08% | Product type: Headphones | Ear coupling: Circumaural | Depth: 46.3 mm | Wearing style: In-ear | Input voltage: 5 V | Weight: 72.4 g | Volume control: Yes | Width: 180 mm | Headphone frequency: 5 - 21000 Hz | Operating time (max): 7,5 h | Sensitivity: 107 dB | Maximum temperature: 40°C | Compatible with: A2DP, AVRCP, HFP, TMAP, PBP | Frequency: 2402 -2480 MHz | Product colour: Graphite | Product colour: Black | Length: 190 mm | Driver type: Dynamic | Microphone type: Not available | Noise reduction: Yes | Warnings: Do not disassemble or modify the product yourself. | Operating time with charging case: 30 h