Features: This USB MP3 player offers plug-and-play functionality with built-in 4GB/8GB storage, battery or USB charging power supply, and a clear display screen for lyrics to enhance music enjoyment during travel or workouts. Equipped with multi-format audio compatibility (MP3, WMA), a compact plastic body, and intuitive button controls, it delivers high-quality sound while maintaining portability and convenience. Ideal for students, commuters, and fitness enthusiasts seeking a lightweight music companion with instant USB charging and extended playback time. Perfect for outdoor activities, gym sessions, or daily commutes—its pocket-sized design and power-saving mode ensure uninterrupted playback. Enhance your music experience with real-time lyrics display and easy song navigation, powered by a rechargeable lithium-ion battery designed for reliable performance. Specifications: Material: Plastic Available Options: Black MP3 Player with 4GB Storage, Black MP3 Player with 8GB Storage, Blue MP3 Player with 4GB Storage, Blue MP3 Player with 8GB Storage, Silver MP3 Player with 4GB Storage, Silver MP3 Player with 8GB Storage, Red MP3 Player with 4GB Storage, Red MP3 Player with 8GB Storage Play Time: Approximately 12 hours Standby Time: 48 hours Dimensions: Approx. 85 x 30 x 10 mm / 3.35 x 1.18 x 0.39 inches Screen Size: 1.2 inches Operation Mode: Button Control Interface: USB 2.0 Headphone Jack: 3.5 mm Supported Audio Formats: MP3, WMA Screen Resolution: 160 x 128 Package Includes: 1 x MP3 Player Note: Please allow 1-2 cm differences due to manual measurement. Due to variations in monitor displays, the actual product color may vary slightly from images shown.