General Product type: Digital player PC interface(s) supported: Hi-Speed USB Flash memory installed: 4 GB Integrated Weight: 2.6 oz Dimensions (W x D x H): 1.7 in x 3.5 in x 0.5 in Color: Black Voice recording capable: Yes Included accessories: Lanyard Software type: SanDisk Sansa Media Converter  Carrying Case Case type: Pouch Digital Player / Recorder Supported digital audio standards: MP3, Protected WMA (DRM), WMA Playback modes: Random play / shuffle, All tracks repeat, One track repeat, Playlist Edit functions: Erase Supported bit rate: 32 - 320 ID3 tags support: Yes Built-in Display Audio system built-in display: TFT Diagonal size: 1.8 in Backlight display: Yes Features: Adjustable brightness Audio Features Sound output mode: Stereo Built-in clock: Digital clock Additional features: Upgradeable firmware CD System Playback modes: Program play Digital audio standards supported: MP3, WMA Equalizer Equalizer factory presets: Rock, Classic, Pop Radio Tuner bands: FM Microphone Microphone type: Built-in Microphone operation mode: Mono Headphones Headphones type: Binaural Sound output mode: Stereo Connectivity technology: Wired Connectivity Cable(s) included: 1 x External, USB cable Connector type: 1 x Headphones Mini-phone stereo 3.5 mm, 1 x USB Slot(s) provided: 1 x Battery/Power Battery: Lithium ion Rechargeable Player battery