Model No: HE400i 2020 Version

Type: Open-Back

Frequency Range: 20Hz - 35kHz

Impedance: 35 Ω

Efficiency: 93dB

Cable Length: 1.5 Meter Or 4.9 Feet

Plug Type: 3.5mm/6.35mm

Weight: 370g (13.05oz)

Warranty Period: 1 Year

In The Box:

1U HE400i Planar Magnetic Headphone

1U Headphone Cable

1 Pair Earpad

1U User Manual