The AGPTEK Small and Compact Protective Storage Hard Case is designed specifically for 2.4 inch MP3 players, providing a secure and durable storage solution. The sleek black case has dimensions of 17.78 x 30.48 x 9.65 cm and weighs only 5 grams, making it easy to carry around. With a hard shell design, this case from AGPTEK offers reliable protection for your portable audio device. Its compact size and reliable construction make it a practical choice for on-the-go use.