Item Type: MP3 Music Player Set Material: Aluminum Alloy Weight: Approx. 70g/ 2.5oz Display: Mini LCD Screen Interface Type: 1xMini USB , 1x3.5mm, 1xMemory card slot Storage Type: Memory card (supports a maximum extension of 16GB, not included in the list) Support flashlight mode Battery Type: Built-in 300mAh lithium battery Working Hours: more than 6 hours Package List 1 x MP3 Player 1 x Earphone 1 x USB Cable 1 x Instruction 1With LED flashlight, can be used in dark environment for lighting, helps you see the road. 2Long battery life, can play for more than 6 hours, no more worry about lack of electricity. 3Shipped with earphone and USB cable, more convenient and easy to use. 4Adopt high quality aluminum alloy material, firm and durable, provide longer service life. 5Backclip design, can fixed tightly, make you can enjoy music during exercise.