Feature:1. This single-ear headset uses a USB 3-button wired version, providing convenient volume control and mute operation. The headset arm can rotate 180° and the microphone rod can rotate 330°, allowing you to adjust the angle and position of the headset according to your personal needs.2. The anti-electromagnetic RF design effectively reduces interference and ensures clearer and more stable call quality. The retractable head-mounted steel bar design adapts to heads of different sizes to ensure wearing comfort.3. No additional settings are required, plug and play, and easy to control calls. Support computer, PC, laptop and other USB compatible devices.4. The soft PU leather earmuffs further improve the wearing comfort. And high elastic silicone ear pads, comfortable to wear. The retractable head-mounted steel bar design adapts to heads of different sizes to ensure wearing comfort.5. Whether it is a business call, online meeting or online game, this dual-ear headset is your ideal choice.Specification:Model: H360-USBMain Material: PU Leather, ABS PlasticColor: BlackSpeakerSensitivity: 108±3dB(1KHz at 178mV)Voice coil impedance: 150±15Ω(at 1KHz)Frequency characteristics: 200Hz-6600Hz(at 1KHz)Distortion: ≤5%(1KHz at 178 MV)Appearance size: Φ28mmMicrophoneDirectivity: all directionsSensitivity: 40±2dB(2.0V, 2.2KΩ, 1KHz)Distortion degree: ≤5%(4.5V, 2.2KΩ, 1KHz)Current consumption: 100~500UAAppearance size: Φ6×2.7mmPackage List:1 x Headphone