Elevate your music experience with the Koleer MP3 S818 — a portable music player built for those who crave high-quality sound and maximum convenience . Whether you're working out, commuting, or simply enjoying your favorite tracks, the S818 keeps the beats flowing effortlessly. Designed with an upgraded sound engine , the Koleer MP3 S818 delivers richer bass, sharper vocals, and balanced highs , bringing your playlists to life. Its intuitive button controls make it easy to navigate through your music library, adjust volume, and switch tracks even when you're on the go. The expandable memory slot allows you to load thousands of songs via a microSD card (memory card not included), freeing you from storage limits. With a long-lasting rechargeable battery , you can enjoy up to 10 hours of continuous playtime on a single charge. Durable yet lightweight , the S818 features a stylish, pocket-sized design that fits seamlessly into your active lifestyle. Whether you're at the gym, on a road trip, or taking a break at work, the Koleer MP3 S818 is your reliable companion for endless music enjoyment.   Feature Details Display Bright LED screen for easy song navigation Storage Expandable via microSD card (supports up to 32GB or higher) Supported Formats MP3, WMA, WAV Battery Life Up to 10 hours on full charge Charging Method Micro-USB Audio Output 3.5mm headphone jack Controls Play/Pause, Next/Previous, Volume, Menu Sound Enhancement Upgraded sound engine for improved audio quality Build Material Durable plastic housing Design Slim, portable, and ergonomic Color Options Black, Blue, Red, Silver Weight Ultra-lightweight Extra Features Shuffle mode, folder browsing, repeat play