Specification:* Dimension: 50*80*11mm(W*H*D), weight 100g * Material: Full metal Casing, multiple colors available* Chipset: ATJ2129 * 1.3 inch OLED screen, 128*64 in resolution * Lyrics synchronized display * Audio: MP3/WMA/WAV/APE/FLAC/AAC/OGG * WAV: Maximum support 24Bit/48KHz * FLAC&Electronic Instrument ;APE: Maximum support 16bit/48KHz * SNR(Signal to Noise Ratio): 102dbdistortion rate: <0.03 * L/R channels independent DAC * 7 band equalizer: Rock/Funke/Hip Hop/Jazz/Classical/ElectroniMachinery for Packaging Supplies c/Custom * Physical power button+Capacitive touch pad design * Eearphone jack: Standard ¢3.5mm * USB Building Hardware port: Micro 5 Pin* Built-in flash memory 4~32GB for optOther Tools & Hardware ion * Micro SD card expandable up to 128GB * Built-in rechargeablCasting & Forging e battery, 1000mAh, extremely low power consumption, playback music around 70hours