Specifications: Made of premium ABS and TPE material, the earphones is lightweight, portable and durable to use. Its main features are In-ear, no delay, noise reduction, portable, easy to carry, whi more→ch can offer you a nice experience. Stereo headphones can produce high-fidelity sound quality, bass enhancement, clear sound quality, and restore details in place. Tangle-free cables are neatly stored, allowing you to connect devices in a smooth and simple way and the earmuffs is small in size and comfortable to wear. Item Name: Wired Earphones Material: ABS, TPE Sensitivity: 105dB +/- 4dB Power: 10mW Frequency Range: 20-20000Hz Impedance: 32Ω Distortion Rate: 5% Features: In-ear,