- Enjoy continuous playback with the ability to plug in a memory card or USB drive. Ideal for listening to music or learning, this feature allows you to replay your favorite clips without interruption. - Built with durability in mind, the product features a robust double-layer design and a 3.5mm plug made from high-strength metal. The PVC wire offers excellent tensile strength and effective shielding, ensuring longevity and reliability. - Equipped with a powerful 2200mAh 18650 battery, this device provides extended battery life while prioritizing environmental safety. Perfect for educational purposes, it supports effective learning sessions. - The dual jack design for USB and TF cards allows seamless connectivity to computers, tablets, and smartphones, enhancing versatility and ease of use. Use Scenarios: - Ideal for educators who need to play instructional audio repeatedly during lessons. - Perfect for music enthusiasts looking to enjoy their favorite tracks on loop without any hassle. - Convenient for language learners who want to focus on specific phrases and improve their skills through repetition.