Spec: Material: Metal Color: Black Size: 9.1*4*1cm Screen Size: 1.8'' Display: TFT Battery: Built-in 180 mAh polymer lithium battery Interface: USB Charging Time: 90 minutes Using Time: 6-8 hours Earphone Interface: 3.5mm Music Format: MP3 Video Format: AMV E-book Format: TXT Memory: Support up to 32G TF card Features: -Matte material body, non-slip feel, Mini size. -Card MP4, no memory in the fuselage. -Support music, radio, recording, video, e-book, built-in stopwatch function. -Multiple playback modes. -With a breakpoint resume function. -Default English, built-in 13 languages can be switched at will. -Super seven-button design. -Djustable power saving mode and sleep mode. Package contains: 1 Pcs * MP3(without memory card) 1 Pcs * Manual 1 Pcs * USB charging cable 1 Pcs * Headphone.