Description: The stretchable head beam and the soft cushions of this headphone can bring you brings you comfortable feeling, which is suitable for long-time wearing. It is enjoyable to have pure calling experience and 3D surround sound effect due to the omnidirectional microphone and dynamic moving coil of this headphone. Made of ABS, this headphone is eco-friendly and durable to use. The cable length is 2.2m. Adopting universal 3.5-mm interface, this headphone is suitable for many types of audio devices. Item Name: Wired Headphone Material: ABS Model: X7 Pro Interface: 3.5mm, USB Frequency Response Range: 20-20KHz Impedance: 16Ω Sensitivity: 114dB Distortion Rate: 0.05% Horn Diameter: Φ50mm Features: Sensitive, Comfortable, Stable Transmission Size Details: Cable Length: 220cm/86.61" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Headphone 1 x User Manual The stretchable head beam and the soft cushions of this headphone can bring you brings you comfortable feeling, which is suitable for long-time wearing. It is enjoyable to have pure calling experience and 3D surround sound effect due to the omnidirectional microphone and dynamic moving coil of this headphone. Made of ABS, this headphone is eco-friendly and durable to use. The cable length is 2.2m. Adopting universal 3.5-mm interface, this headphone is suitable for many types of audio devices.