The translucent industrial-grade polycarbonate housing attracts by allowing you to peer into and appreciate the F3’S internals. The lustrous, vacuum-ion electroplated shell of the F3 is also exchangeable, allowing you to spice up your life by letting you change between different shells to fit your current mood.

Features
– Driver Type: Dynamic（Ø 11mm）
– Frequency response: 15Hz ~ 20kHz
– Sensitivity: 98 dB/mW
– Impedance: 40 Ω
– Input Power Rated: 5mW
– Plug: 3.5mm L-shaped gold-plated stereo jack (CTIA standard)
– Cord length: 1.2 m
– Weight: 19.6 g
– Three replaceable covers: Red/Blue/Black