Zoom H4n Pro Handy Mobile 4-Track Recorder - Bundle With 16GB SDHC Card, 4 AA Batteries, Samson SR450 Closed-Back On-Ear Studio Headphones, Microfiber Cloth, 5' Stereo Mini Male 3.5mm TRS Cable Improved version of the Zoom H4N 4-Channel Handy Recorder with advanced features and performance Features four-track simultaneous recording, high-fidelity mic preamps, and recording up to 140 dB SPL with X/Y microphones Records audio in both WAV and MP3 formats and runs on 2 AA batteries, providing up to 6 hours in normal operation Enjoy an optimal playback experience with high-quality Samson Studio Headphones included in the bundle Accessory Bundle Includes 16GB SDHC memory card, 4 AA batteries, auxiliary cable, Fibertique cleaning cloth and Samson On-Ear Studio Headphones