Califone 1886 Spirit SD Classroom Multimedia Player/Recorder Boombox, Function selector, Built-in mic records student responses or projects, Top loading CD player tailored for school use, Band switch, Tuning control, SD card slot and USB connector, Steel grills prevent accidental damage to recessed speakers, Rugged ABS plastic for safety and durability, Top-mounted 3.5mm headphone jack for individual use or to connect a jackbox for group learning, Volume control, Powerful enough for classes up to 40 people, AC and battery operation for indoor and outdoor flexibility, Manufacturer's Warranty covers use in schools churches businesses and government facilities unlike consumer oriented media players purchased from consumer electronics stores, Power Output 1.8 W x 2, Mechanism Auto Stop, CD Compatibility CD MP3 WMA-CD CD-R CD-RW, CD Functions Play Pause Stop F Skip B Skip, Digital Audio Files MP3 & WMA compatible, Compatible USB/SD Cards 16MB 32MB 64MB 128MB 256MB 512MB 1GB 2GB, Encoding format (CD to USB / SD) 128 kbps MP3 format, Frequency Range FM: 88 - 108 MHz, AM: 530 - 1600 kHz, Antenna Telescopic antenna with reinforced jointing point for increased strength, 60Hz 14W AC 110v-240v auto-switchable and 12VDC power with adapter included, 12VDC with 8 UM2 C Batteries (not included), Dimensions 13L x 10W x 5.5H in, Weight 4.5 lbs. w/o batteries, Shipping weight 7 lbs. Califone 1886 Spirit SD Classroom Multimedia Player/Recorder Boombox, Function selector, Built-in mic records student responses or projects, Top loading CD player tailored for school use, Band switch, Tuning control, SD card slot and USB connector, Steel grills prevent accidental damage to recessed speakers, Rugged ABS plastic for safety and durability, Top-mounted 3.5mm headphone jack for individual use or to connect a jackbox for group learning, Volume control, Powerful enough for classes up to 40 people, AC and battery operation for indoor and outdoor flexibility, Manufacturer's Warranty covers use in schools churches businesses and government facilities unlike consumer oriented media players purchased from consumer electronics stores, Power Output 1.8 W x 2, Mechanism Auto Stop, CD Compatibility CD MP3 WMA-CD CD-R CD-RW, CD Functions Play Pause Stop F Skip B Skip, Digital Audio Files MP3 & WMA compatible, Compatible USB/SD Cards 16MB 32MB 64MB 128MB 256MB 512MB 1GB 2GB, Encoding format (CD to USB / SD) 128 kbps MP3 format, Frequency Range FM: 88 - 108 MHz, AM: 530 - 1600 kHz, Antenna Telescopic antenna with reinforced jointing point for increased strength, 60Hz 14W AC 110v-240v auto-switchable and 12VDC power with adapter included, 12VDC with 8 UM2 C Batteries (not included), Dimensions 13L x 10W x 5.5H in, Weight 4.5 lbs. w/o batteries, Shipping weight 7 lbs.