Item Type: MP3 PlayerMaterial: ABSBuilt in Li polymer Battery: 180mAhMaximum Support: 64GSupport: Memory Card (Not Included)Package List1 x MP3 PlayerBatery Included)1 x USB Cable1Lossless Sound: MP3 player uses a high quality lossless decoder chip to make music more dynamic; listen to e books without stopping. 2Memory Card Support: MP3 music player built in memory card expansion slot, supports a maximum extension of 64 GB. 3Long Battery Life: Portable music player has a large capacity battery for long battery life, so you no longer need to worry about running out of power. 4Sensitive Buttons: MP3 music player has high sensitivity touch button, so that you can operate more smoothly. 5Quality Material: Pocket music player adopts high quality ABS material, more firm and durable, provide longer service life.