Applicable model: Sennheiser HD4.30 HD4.40BT HD4.50BTNC headset
Wire material: 5N LC-OFC
Wire color: black braided wire
Wire length: 1.35 meters
Wire diameter: the outer diameter is about 3.0mm
Applicable products: The playback audio source interface is national standard 3.5mm, which can be compatible with mainstream equipment on the market.
The remote version is compatible with most smartphones in the Android/Apple version