Backlight: yes Indications: Battery status, DBB Lines of text: 5 Resolution: 128 x 96 Bass enhancement: Digital Bass Boost Equalizer: 5-bands Equalizer settings: Classic, Jazz, Pop, Rock Frequency response: 20 - 20,000 Hz Output Power: 2x5mW (16 Ohm) Sensitivity: andlt; 100dB THD: 000 Buffer memory: 16 MB Compression format: MP3, Windows Media Audio ID3 Tag support: Album indication, Album title and artist name, Genre title, Track title and artist name ID3-tag support: yes MP3 bit rates: 8-320 kbps and VBR WMA bit rates: 32-192 kbps WMA sample rates: 8,11.025,16,22.050,32,44.1,48 Hard Disk Capacity: 1.5 GB Computer support: PC Front / Side connections: DC-in, Headphone out, USB type B port Headphone: 3.5 millimeter Internet connection options: Upgradeable USB: USB 1.1 Connector: 3.5 millimeter stereo Backlight: White superbright LED Battery full indication: yes Battery low indication: yes Comfort: Album title and artist name Function: Keypad lock Headphone jack: Yes Language support: Eng,Fr,Spa,NL,Ge,Port,Swe+more Lines of text: 5 Superscroll: yes Volume control: yes Battery charging indication: yes AC/DC Adaptor/Charger: Multi-voltage CD-ROM: with installer, PC SW, manuals Headphones: SBC HE570/77T CD-ROM drive: yes Dimensions: 18.3 x 84.5 x 54.3 millimeters Product weight: 93 grams Adaptor type: 100 - 240 V Battery capacity: 750 Battery type: Li-ion Charging time: 4 hours full, 2 hours fast charge hr