1.2.4inch full touch screen for convenient and accurate operation, enabling quick navigation and playback control without external devices. Builtin speaker frees you from headphones, allowing you to enjoy music in a casual, hands way anytime and anywhere. Builtin BT 5.0 supports wireless connection to BT headphones and BT speakers, providing flexible listening options with stable, lowlatency wireless performance. Supports TF card expansion up to 128GB, meeting your storage needs and letting you carry a large music library locally. Use scenarios Fitness and outdoor activities: listen to music through the builtin speaker or pair with BT headphones for a workoutfriendly setup, with easy touchscreen control to switch tracks and adjust volume on the go. Travel and commuting: preload music onto a TF card up to 128GB, then use the touch screen to manage playback without needing a phone, while enjoying wireless audio through BT headphones or speakers if preferred. Home and shared spaces: connect to a BT speaker for a larger listening experience, or use the builtin speaker for casual, private listening in kitchens, living areas, or classrooms.