Display information: TFT Resolution: 800 x 600 pixels Size: 5.0 inches Product size: 149 x 104 x 10.6mm Battery type: built-in Li-Polymer (1,800mAh) Mode of operation: mechanical key Ebook: Supports: ANSI, unicode txt, HTML, DOC, PDF, FB2, PDB, and EPUB format Digital files information: Music: MP3/WMA/APE/FLAC/AAC Image: JPEG/BMP Bit rate: Music MP3: 8 to 320Kbps WMA: 5 to 320Kbps ID3 tag: ID3 V1 tag, ID3 V2 2.0, ID3 V2 3.0, and ID3 V2 4.0 Music information: Effect: EQ selector, Microsoft PlayFX, rock, classic, pop, bass, and jazz Microsoft PlayFX3D, bass, volume equilibration Repeat mode: once, repeat one, all once, all repeat Play mode: order/shuffle Screen show information: supports ID3 show FM radio is optional: Frequency range: China: 87.5 to 108MHz (50 step) World: 76 to 108MHz (50 step) Channel: preset 30 channels Reception: headphone/earphones cord antenna FM region: China, Europe, Japan, and U.S.A. FM transmitter is optional File browse mode list Supports music and photo browse in-phase Power off time: 5, 10, 15, and 20mins Other functions: calendar, G-sensor, USB host (USB 2.0) Built-in speaker TTS function is optional Multiple languages supported CE/FCC/RoHS approved