1MORE Piston earphone / earphone

FFMM (Finger Friendly Machine Marks) is a product design based on a large databank of fingerprint parameters that makes it easy to insert and fingerprint-free.
The 3.5 mm gold-plated plugs prevent the contact surface of the plugs from oxidation.
KEVLAR wire, with excellent flexibility, anti-perspiration and anti-static, helps reduce intertwining cables.
Diamond-cut unibody and aluminium alloy piston-like chamber is manufactured with ultra-precision numerical diamond machining.
The gift box packaging and high-intensive FDA-grade, toxic-free silicone earphone holder help to protect the earphone better and make it easier to carry.