Details: The headphones weigh roughly 296 grams, and their frequency response ranges from 20 Hz to 20 kHz. Type/diameter of moving coil: Φ40mm; cable length: 2.2m (braided cable) 108±3dB is the sensitivity; 30mW is the maximum power. Opposition: 32Ω ± 15% 40mm is the speaker's diameter. Type of headset connector: USB 2.0 - Current: 80mA - Microphone resistance: ≤2.2KΩ DC3V is the voltage. Features: 1. You stand out from the crowd thanks to creative lighting design. 2. Breathable, skin-friendly earmuffs that are soft, comfortable, and long-lasting without becoming tiring. 3. The call is clearer thanks to the high noise-to-noise anti-static microphone. 4. Use a 40mm high-fidelity speaker unit; the bass is low, the level is clear, and the output is steady and elegant. With 7.1 surround sound, plug and play. 5. A one-year limited warranty from the date of purchase is standard on HP products.