**Specifications:**
Brand: JBL
Model: TUNE 31OC USB-C
Certification: Hi-Res Audio
Features: Legendary sound quality, high-definition audio certification
Audio Output: Digital
EQ Modes: Default, Bass Boost, Strong EQ, Vocal
Presets: Three preset modes for personalized sound experience
Design: Ergonomic and lightweight for comfortable and stable wear
Colors: Midnight Black, Coral Blue, Stardust Silver, Magic Red
Controls: Three-button control for hands-free calls and music playback
Microphone: High-quality built-in microphone for clear calls
Cable: Flat tangle-free cable with USB-C connector
Compatibility: iPhone 15, Android devices, tablets, and PCs
DAC Chip: Integrated high-quality DAC chip (96KHz/24bit)
Brand History: JBL, a legendary brand with 78 years of expertise in audio technology
Awards: Winner of Technical Grammy Awards and Oscars Technical Achievement Awards
Endorsements: Recommended by celebrities like Zhao Lusi
Global Recognition: Awards from OSCARS, VGP2019, DESIRN, MPA, TEC, CES
Automotive Partnerships: Collaborations with luxury brands like Ferrari
Product Range: Includes cinema sound systems, studio monitors, band equipment, and car audio systems
**Note:** The provided information has been summarized and organized into product specifications.