Description: brand new and high quality Built-in TF/ micro SD card slot support up to 32GB TF card( card NOT included). Just save your loved songs in TF card and then for play them with this sport player. Supports MP3 WMA music format. Built-in rechargeable li-on battery and charge by USB cable. Easy to use, "On/ off" toggle and 3 Key-press: for Play/ Pause, Volume+/ -(long press) Specifications: Built-in FM radio function Memory type: Flash memory Music Format: MP3 etc USB version: USB2.0 Signal to noise ratio: 95Db Audio Frequency: 20Hz-20KHZ Memory: support TF card to 32GB Continuous working hours: about 8 hours Maximum input voltage: 5V/for DC 500mA Charged via USB port Built-in rechargeable lithium-ion battery Storage Temperature: -20 C-80 C Material:ABS+PE Diameter:130mm/5.07''(approx) USB Cable length:45cm/17.55''(approx) Color:Black, White, Red, Blue, Green, Pink Quantity: 1 set Note: Transition: 1cm=10mm=0.39inch With simple retail package. Please allow 1-3mm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes: 1 x Sports Ear Hook Headphone 1 x USB cable(other accessories demo in the picture is not included.)