... Key Features:• Play Mp3 WMA music• Flash Built-in 8GB (1GB to 8GB Optional)• Support TF Card ... Mp3, Mp4 player, etc. • FM function included• Built-in lithium battery, working 10 hours • High quality speaker: 1.5W ... & Technology Co., Ltd is a professional manufacturer in Shenzhen, China. Our product category covers almost all ... .: 507803). Mini Sports MP3 Speaker with built-in FM, 8GB built-in flash memory