Features‎:‎ Color‎:‎ Orange‎,‎ Blue‎,‎ Green‎,‎ Black‎,‎ Pink Note‎:‎ Please kindly leave us a PAYPAL NOTE specifying your favorite color‎,‎ otherwise we will send it in Random‎.‎ Size‎:‎ Approx‎.‎ 3.1x5.3x1.1cm/ 1.22x2.09x0.43" Charging‎:‎ Using 5 pin USB cable Play Time‎:‎ About 4 hours External Memory‎:‎ Support up to 32GB TF card ‎(‎ Not Included‎)‎ M Key‎:‎ Short press define‎,‎ and long press to exit or return to the menu Support Music Format‎:‎ MP3 Built‎-in Li‎-ion battery‎,‎ directly connect with PC for re‎-charging Also can be used as USB flash drive USB data storage‎,‎ supporting USB 2.0 No built‎-in memory‎.‎ So you need to buy extra TF card