4GB capacity</br>18 Hours Battery Life (Quick charge : 3 minutes charge 90 minutes play back)</br>New ZAPPINTM Function allows you to find songs easily?? and to listen to music in a new way</br>FM Tuner and Voice/FM Recording Function</br>Built-in USB for easy drag and drop transfer of content</br></br>Product Description</br></br>GENERAL Memory (Available capacity may vary) 4GB Display 3-line LCD FM Tuner Yes Input / Output Terminals Headphone / Hi-speed USB (2.0) Maximum Power Output (16 ohms/mW) 5+5mW Power Source Built-in Li-ion Rechargeable Battery / USB power (from a computer via a USB connector of the player) Recharging Method USB-based charging Recharge Time Approx. 70 minutes