The FiiO L10 is designed with a 3.5mm stereo jack to Apple"s dock connector, enabling output of high quality line-level audio from iPod, iPhone, and iPad that can be sent to portable audio equipment such as headphone amplifiers and power amplifiers. Designed with high-quality materials, the L10 isolates the audio signal from interference to deliver cleaner and more accurate sound from your iPod/iPhone/iPad. Feature Highlights - Shielded construction provides maximum isolation from interference - Pure copper conductors for better audio clarity and a more natural-sounding midrange - High quality durable connectors for precise contact and signal integrity - Supports standard dock profile on iPod, iPhone, and iPad. Does not support Shuffle. Specifications Length: 50cm (20-Inch) Wire Diameter: 3mm Wire Gauge: AWG-18 Wire Material: Oxygen Free Copper Impedance: Max 0.5 Ohm Insulation: Min 2M Ohm Wire Jacket: PVC