| Specification | Technical Details |
| Brand | HOCO |
| Model | M57 |
| Available Colors | Black, White |
| Speaker Driver | 14mm |
| Sensitivity | 95dB ± 3dB |
| Audio Plug | Ø3.5mm |
| Line Length | 1.2m |
| Weight | 9g |
| Material | TPE high elastic braid and enameled wire |
| Microphone | Controller with mic |
| Control Logic | Functional single button |
14mm Expanded Driver Logic: Engineered by HOCO with a large-diameter speaker to provide richer bass and superior acoustic clarity for an immersive listening experience.
Functional Single-Button Command: Features an integrated inline controller for seamless management of audio playback and phone calls with one-touch efficiency.
TPE High-Elastic Braid: Constructed with premium TPE material and enameled wire to ensure extreme cable durability, flexibility, and high-fidelity signal transmission.
Ultra-Lightweight 9g Matrix: Specifically designed for maximum portability and comfort, making it one of the lightest professional earphones in the Sky Sound series.
Universal 3.5mm Interface Matrix: Built with a standardized Ø3.5mm audio plug to ensure stable conductivity and broad compatibility with all global mobile devices.