In-ear HIFI noise reduction heavy bass fever headphones

Headphone type: In-ear headphones
Wearing method: hanging ear type
Headphone output audio source: portable audiovisual
Plug diameter: 3.5mm
Plug type: L-bend type
Whether wireless headset: Wired headset
Frequency response range: 20-40000 (Hz)
Earplugs/earmuffs material: silicone sleeve
Headphone cable material: oxygen-free copper