HIGH RESOLUTION IMAGE Specifications Earphone Channel Stereo Tunable Frequency 20Hz ~ 20KHz Sound Output Left 12mW + Right 12mW (16 Ω Ohm Earphone) SNR 95 dB Battery Internal Lithium Polymer battery Charging USB: ~ 1.5 hrs *on the condition that Input exceeds 5V/500mA* Capacity Flash Memory, FAT32 file system USB Device USB 2.0 High Speed Button Consists POWER, MENU, VOL+, VOL-, FF, REW Dimension 26.6mm x 64.2mm x7.7mm (W x L x H) Weight 16.6 g (Including internal Battery) System requirements CPU Pentium III 500 Mhz or higher Windows Vista / XP / 2000 / ME MAC OS 10.X / Linux v2.4 or higher : Data transfer supported USB Port 2.0 recommended File Format MP3/2/1, WMA, FLAC (FLA), OGG, WAV Audio Codec MP3 : MPEG 1/2/2.5 Layer 3, ~320kbps, ~48kHz, mono/stereo WMA : ~320kbps, ~48kHz, Mono/Stereo OGG : ~Q10, ~44.1kHz, Mono/Stereo FLAC : Compression Level 0 ~ 8, ~44.1kHz, Mono/Stereo WAV : ~48kHz, 16bit, Mono/Stereo Sound Effects BBE+ 9 Presets (Normal, BBE, BBE ViVA, BBE ViVA 2, BBE Mach3Bass, BBE MP, BBE Headphone, BBE Headphone 2, BBE Headphone 3) Playback time Up to 11 hrs 30 mins