PROFESSIONAL GRADE - Interconnect harmoniously speaker, receiver, amplifier, mixer, Hi-Fi stereo, home theater, recording equipment or similar device with 6.35mm 1/4" TS Mono Stereo jack inputs and 3.5mm 1/8" TRS output to iPhone, PC/Laptop or similar device HIGH FIDELITY - 100% copper conductors for exceptional sound quality; braided shielding to reduce interference and excess noise; Improved frequency through polyethylene insulation SUPERIOR MATERIAL - Heavy duty aluminum connector hoursing; Soft and flexible PVC jacket 4.0mm outer diamter THE GOLD STANDARD - 24K Gold-plated connector plugs are corrosion-resistant and ensure reliable performance with minimal signal loss LIMITED LIFETIME REPLACEMENT WARRANTY + 30-DAY, 100% MONEY-BACK GUARANTEE - We are committed to our customers' satisfaction, which is why we offer a Limited Lifetime Replacement Warranty and a 30-Day, 100% Money-Back Guarantee. If you're not completely satisfied, simply contact us directly, within 30 days of purchase, for a full refund!