Mini USB rechargeable TF card MP3 player it is very convenient to use. It supports Max 8 GB TF card and MP3 music format. It is built-in rechargeable 90mAh battery. You can enjoy wonderful music on the way to work go home and before sleeping. The mini design is convenient to enjoy music Model N/A Type TF slot MP3 player Quantity 1 Color BlackGreen Memory Type No Memory Capacity No GB Expansion Slot Supports TF card up to 8GB Display Size inch Audio Format MP3 Connection Type USB 2.O Headphones Jack 3.5 mm Battery Type Li-ion Battery Capacitity 90 mAh Headphones Included Yes Additional Features 3 hours playback time Packing List 1 x MP3 player 1 x 3.5mm earphone (80cm-cable) 1 x USB cable (35cm)