Student Walkman USB Writable Pen Player 3.5mm Lossless Sound Music Pen MP3 Button Control Media MP3 Player Support TF CardProduct Features 1. Supports MP3 and other digital music formats for playback 2. Can be used as a portable flash drive to store MP3 songs or data 3. High-quality sound output for an enhanced music experience 4. Combines MP3 playback and mobile storage functionality 5. Built-in high-energy rechargeable lithium battery with extended standby time 6. Stylish, compact design with metal casing and fine craftsmanship 7. Simple operation: power on to play music 8. Ideal for students, music listening, language learning, and note-taking 9. Direct USB charging without the need for an additional data cable Specifications Model Number: Music Pen Screen Size: No display Storage Card Type: TF Card Expansion Card: Supported Operation Mode: Push Button Interface: Mini USB Headphone Jack: 3.5mm Supported Audio Format: MP3 Screen Color: None Screen Resolution: None Menu Language: Random Additional Features: None Battery Type: Lithium Battery Battery Capacity: 120 mAh Battery Life: 4-6 hours Weight: 24 g Package Included 1 x Voice Recorder 1 x Headphones 2 x Lead Note: Memory card (TF card) not included. Customers can purchase separately based on their needs