All functions compatible with Apple devices. Perfect compatible with BOSE QuietComfort 25 QC25 QC35 QC35II QC45 Headphones, also compatible with Bose NC700 SoundTrue and Soundlink headset / Bose On-Ear2/OE2 OE2i headphones..Replacement headphone audio cable is made of Oxygen-free copper and 3.5mm to 2.5mm 24K gold-plate straight connector, resist corrosion and ensure optimum sound quality..Made of premium TPE material, high elasticity, high strength, high resilience, ensuring high fidelity sound quality and providing maximum's durability..Color: Black. Length: 55inches / about 140cm. Tangle-free design, easy to use..Package Included: Headphone Cable * 1. Warranty for the Audio Replacement Cable, 100% full, No asked refund if you’re not satisfied. 1 year warranty.