4 CORE SILVER PLATED COPPER HYBRID UPGRADE CABLE:  This 4 core Stereo jack cable uses the silver-plated copper cable and Copper material, Mixed braided 4 core cable in total4. Upgraded cable can prevents distortion of sound quality.

CONNECTORS COMPATIBILITY: This Upgrade cable is compatible for Blon Bl03, Blon BL01, BLON BL05S, BLON BL-MINI, BLON BL-A8, BLON BL-Max. ( Not Compatible with Others Models)

UNIVERSAL 3.5MM GOLD-PLATED: These 4 cores 3.5mm audio jack upgrade cable suit for Fiio M7, M3, X1 II, for Pioneer XDP-100R, for Sony NW-A45, NW-A45HN, NW-A46HN, for AK Jr, for Shanling M0, M2s, M1, M3 DAP, M5 DAP, M2 Music player etc.

4.4MM GOLD-PLATED PLUG: This Gold plated is carbon fiber plug which has stable connection and data fast transmission rate. Use 4.4mm gold-plated plug, most of the DACs, PC, computers have this size of plug.

2.5MM GOLD PLATED PLUG: The 2.5mm plug is designed to be universally compatible with the most audio source, from smartphones to PC or even professional digital audio players.

IMPROVED SOUND QUALITY: In terms of sound quality, significantly improve the resolution of the headphones and expand the frequency range, showing a wealth of musical details, sound delicate and natural, full of rounded, and the sound transparency is particularly prominent.