Ultrasone Edition 8 Ruthenium Audiophile Headphones audiophile Battery lasts up to 10

Battery lasts up to 10 hours with digital USB input (EQ mode)

The Stellia headphones provide an extensive frequency response of 5Hz to 40kHz

They said physics would never allow it

The headphones come with four sizes of ear tips (XS

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Ultrasone Edition 8 Ruthenium Audiophile Headphones audiophile Battery lasts up to 10Ultrasone Edition 8 Ruthenium Audiophile Headphones The Ultrasone Edition 8 Ruthenium Audiophile Headphones is hand made in Germany. Each Edition 8 Ruthenium headphone holds its own serial number to assure a distinctive identification. Edition 8 Ruthenium incorporates stunning attention to detail in every aspect of headphone design. The outer ear cups are covered in Ruthenium. This precious metal is known for its brilliant metallic sheen and durable