Note: Please note that the product cannot be connected to a computer._x000D_Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering. Specification: Item Type: MP3 Music Player Set_x000D_Material: Aluminum Alloy_x000D_Weight: Approx. 47g/ 1.7oz_x000D_Interface: 1x Mini USB, 1x 3.5mm/ 0.1in, 1x Memory Card Slot_x000D_Storage Type: Memory card (supports a maximum extension of 8GB(not included in the list)_x000D_Battery Type: Built-in 250mAh Lithium Battery_x000D_Working Hours: more than 5 hours Features: 1Light in weight, portable and easy to carry, can be used for outside activity. 2Back?clip design, can be fixed firmly on your cloth or other devices, also suitable for sports. 3Long battery life, can play for more than 5 hours, more convenient to use. 4Built?in memory card expansion slot, supports a maximum extension of 8GB. 5Adopt high quality aluminum alloy material, more durable, provide longer service life. PackageList: 1 x MP3 1 x Earphone 1 x USB Cable