SHANLING M2 Portable HI-FI Lossless Music DSD Player, Black 2.35 "Tuft color high-definition display, make color more vivid, and one-handed operation are cozy, simple and accurate Supported: Windows XP, Windows7,8(32/64bit),MAC OS X 10.7 or upgrading ones Up to 20 days of standby (standby time depending on battery status, environmental impact or are subject to change) 2200mAH lithium battery Format Supported: APE, FLAC,ALAC,WMA,AAC,OGG,MP3,WAV,AIFF, DSF, DIFF