Features BT Compatibility: This MP3 music player supports Bluetooth version 4.0 and audio playback in MP4 format. Compatibility: Compatible with Windows XP, Vista, and Windows 8 operating systems. Audio Recorder: This MP3 player includes an audio recording function, allowing it to be used as a recording device. Memory Card Support: This MP4 voice recorder supports memory cards, enabling bookmarking of previously accessed content and automatic browsing. Portable Design: Compact size makes this music player convenient for on-the-go use, including during exercise. Specifications - Music Playback: Supports MP3, WAV, and other audio formats - Recording Support: FM and MIC recording, supports MP3 and WAV formats - Image Browsing: Supports BMP and JPG formats - Video Playback: Supports MP4 format (must be converted via PC using compatible software) - FM Radio: Built-in FM radio support - Advanced Features: Includes recently played tracking, bookmarking, and auto-browse functionality - Day/Night Mode: Available for user convenience - System Requirements: Compatible with Windows XP, Vista, and Windows 8 - Recording Format: MP3/WAV - Maximum Capacity: Supports up to 128GB TF card (sold separately) - Text Reading: Supports document text reading - Language Support: English, Chinese, French, Indonesian, Portuguese, Spanish, Italian - Bluetooth Functionality: Supports wireless receiving and sending of data - Bluetooth Version: 4.0 with bidirectional transmission - Dimensions: 90.5mm x 39.5mm x 10mm - Net Weight: Approximately 31g Package Included 1 x MP3 Player (earphones not included) 1 x User Manual 1 x USB Cable