Final Audio B3 Dual BA Driver Earphones (+free Glow-in-the-Dark tips) limited edition It has a USB port

It has a USB port for data transfer and battery charging

A flat carrying case protects your headphones from any damage on the road and provides room for USB devices and SD cards

diaphragm design for Atlas and super sized it to a new 10mm driver

This solution also provides a linear frequency range

Shure SHA900 Portable Listening Amplifier Specifications

Final Audio B3 Dual BA Driver Earphones (+free Glow-in-the-Dark tips) limited edition It has a USB portSound design with consideration to the relationship between spatial impression and dynamic range of music as well as physical characteristics of earphones and headphones. High clarity over entire frequency range and beautiful high range sound enable to hear the delicate touch of a piano and guitar picking perfectly. Sound design has been undertaken with consideration to the relationship between the spatial impression and dynamic range of music, and