Sennheiser Momentum 4 Wireless 80th Anniversary Edition Headphones

Weight and dimensions Product depth: 46.3 mm Product width: 180 mm Product weight: 293 g Product length: 190 mm Efficiency Maximum operating temperature: 40°C Microphone: Yes(4) Voltage: 5V Application: Music Headset type: Stereo Charging time: 120 min Frequency: 2402 -2480 MHz Cable length: 3 m Wearing style: Headband Product type: Headphones Wireless: Yes Minimum operating temperature: 0 °C Product color Black Yellow Compatible with: A2DP, AVRCP, HFP Range: 260 m Ports and interfaces 3.5mm connector: Yes Microphone Frequency response: 50 - 10000 Hz Microphone type: Not available Safety warning Warnings This product contains batteries that should be disposed of properly. Do not disassemble or modify the product yourself. Please read the instruction manual before use. Headphones Noise reduction: Yes Working time (max): 20 hours Total harmonic distortion: 0.04% Driver Type: Dynamic Headphone construction: Circumaural Sound pressure level: 106 dB Sensitivity: 105 dB Acoustic system: Open Impedance: 470 Ω Bluetooth: Bluetooth 5.2, Class 1 Volume control: Yes Frequency response: 6 - 22000 Hz