Final Audio F3100 High Fidelity In-Ear Headphones (Open Box) 3.5mm female Power input: 5 V /

Power input: 5 V / 3 A

(Knob indicator light) Blue：44

Weight 360 g

The vacuum tube on the primary stage

allowing you to hear every note and not miss a beat

Final Audio F3100 High Fidelity In-Ear Headphones (Open Box) 3.5mm female Power input: 5 V /Final Audio F3100 High Fidelity In Ear Headphones Bringing the driver unit closer to the ear drum, achieves an even more realistic, vivid sound quality. Final has meticulously downsized the housing with a design consisting of the minimum possible elements to accomplish this in the Final Audio F3100 High Fidelity In Ear Headphones . Miniaturized to have a diameter of 5. 5 mm, the housing is finished with hard aluminium magnesium alloy anodic film. This