Audio-Technica On-Ear Audio Headphones with FiiO A1 Portable Headphone Amplifier, Navy/Brown Beach Camera Exclusive Bundle - Includes Audio-Technica Headphones & FiiO A1 Amplifier Large 45 mm drivers for outstanding Hi-Res Audio reproduction Lightweight headphones with flexible swivel design Soft, memory foam earpads and easily adjustable headband slider provide a comfortable on-ear fit 1.2 m (3.9') detachable cable with mic/controls for use with smartphones and other portable devices