Color Silver + Orange Built-in Memory / RAM 4GB Quantity 1 Piece Material ABS + silicone Shade Of Color Silver Screen Type OthersNo Touch Screen No Screen Size No cm Screen Resolution No Screen Color No Memory Card Type No Max Extended Capacity No Audio MP3WMA Video No Record Audio Format No Images OthersNo E-book NO Tuner Bands No FM Frequency No Headphone Jack 3.5mm Other Interface USb 2.0 to 3.5mm Battery Capacity 130 mAh Working Time 4~8 Hour Battery Type Li-polymer battery Power Supply USB 2.0 Loud Speaker Function No Lyrics Display No Menu Language OthersNo Audio Mode NaturalRockJazzClassical Display Mode MP3 Other Features Waterproof grade: IPX8 Packing List 1 x MP3 1 x USB to 3.5mm cable (15cm) 1 x Earphone (90cm) 2 x Earbud caps 1 x Armband (40cm) 3 x Clips