Description: With quad-core dynamic sound principle, this headset has stronger bass, clearer sound effects and better sound quality experience. And it adopts in-ear design, which is comfortable to wear and won't fall off easily. A wire-controlled adjustment is adopted in this earphone, which can be used for talking, changing songs, adjusting the volume, etc. The ear wire is resistant to pulling, and the tension bears pressure, so it won't break easily. And it is compatible with most 3.5mm sound source devices. It is constructed of TPE material. The length of this product is 120cm. It is suitable for home, office, dormitory, travel, etc. Item Name: Wired Earphone Material: TPE Features: Stereo Surround, High-definition Calls, Heavy Bass Plug Diameter: 3.5mm Whether Wireless Headset: Wired Headset With or without Microphone: Yes Sound Generation Principle: Dynamic Coil Frequency Response Range: 20-20000 (Hz) Impedance: 16 () Sensitivity: 98 (dB) Distortion Rate: 1 (%) Conductor Length: 1.2 (m) Horn Diameter: 11 (mm) Size Details: Length: 120cm/47.24"(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 Wired Earphone