Zoom H2n Handy Handheld Digital Multitrack Recorder Bundle with APH-2N Accessory Pack and SD Card Bundle includes Zoom H2N recorder, Zoom APH-2n Accessory Pack, and SD Card Five mic capsules provide four unique recording modes Data recovery function protects against unexpected errors Records in WAV up to 24-bit/96kHz and MP3 up to 320kbps Over 20 hours of operation using two standard AA batteries