This is the perfect player for those of us that like things to be EZ. Set it on the table, night stand, and plug it in. Insert the EZ Book or EZ Radio Show, turn it on, sit back and enjoy the power of words or music. With this player, you can unplug it and take it with you. Now-----That's EZ!!! You can start a book club with your friends. If you are exhausted from the days' work, set it on the nightstand in your childs room and know that someone is reading to them. We have a lot of classic books for children. Features:Fashionable and innovative design, patented product! Plug in SD/MMC card, USB port or hard disk to play MP3 music directly.Support files downloading, reading and movable storing function LCD screen display, transmit full frequency high or low with high quality stereo sound Latest digital driver technology and supreme speaker, give you excellent music experience Built-in 1500mA rechargeable Li-ion battery for 8 to 10 hours travel playing EQ function - Jazz, Rock, Bass, Normal and Classic Repeat circle Mode - repeat 1, repeat all, random, normal "A" key changes mode between USB equipment and SD/MMC card "B" key sets play mode Specifications:Key function - play/pause, pre/next, on/off switch, led indicator, volume switch Multi ports - SD/MMC slot, USB port, DC power port, 3.5MM audio port Frequency response: 20Hz-20KHz Output power: 2 x 2.5W Input voltage: DC 5V S/R Ration: 90dB Size: 80*80*90 mm Weight: 480g Contents:Digital MP3 Speaker x1 AC charger adapter (100V-240V 50/60Hz) x1 Retractable USB cable x1 3.5mm to 3.5mm audio cable x 1 SILVER