Features 1.COMPATIBLE MODELS: The replacement headphone cable is designed for Sennheiser IE40 Pro headphones, the cable length is 120cm/47.2in, meets your actual use needs, flexible and convenient. 2.3.5MM, 2.5MM, 4.4MM PLUG: With 3.5mm, 2.5mm, 4.4mm plugs, it can be used to compatible with more different interfaces of devices, such as cell phones, tablets, MP3s, headphone amplifiers, earphone players and other sound devices. 3.PREMIUM MATERIAL: The headphone cable is made of gray PVC on the outside, silver plated copper core on the inside, and 4 strands of core twisted woven headphone upgrade cable, which provides uncompromised sound quality and maximum durability, tangle proof and abrasion resistance. 4.EXCELLENT SOUND QUALITY: The replacement headphone cable is made of silver plated copper wire with excellent sound conductivity, prevents sound distortion, lower noise, clearer sound, improves resolution and separation of the headphones and provides lossless sound quality. 5.REPLACEMENT SOUND UPGRADE CABLE: The replacement headphone cable is perfect as a spare or replacement for damaged or lost cables, with the function of eliminating the skin effect that affects the transmission of sound at high frequencies, rigorously crafted. specificationItem Type: Replacement Sound Upgrade Cable_x000D_ Material: Silver Plated Copper, PVC_x000D_ Cable Length: Approx. 120cm/47.2in_x000D_ Plug: 3.5mm, 2.5mm, 4.4mm_x000D_ Applicable: for Sennheiser IE40 Pro headphones PackageList 1 x Headphone Cable 1 x 2.5mm Plug 1 x 3.5mm Plug 1 x 4.4mm Plug NoteManual measurement please allow some error.