... TF Card • Line-in function, work as extra speaker for other digital device, like PC, Mp3, Mp4 ... in lithium battery, working 10 hours • High quality speaker: 1.5W X 2 • Can fix on handlebar ... Shenzhen Koogogo Science & Technology Co., Ltd is a professional manufacturer in Shenzhen, China. Our product category covers ... (Store No.: 507803). Mini Sports MP3 Speaker with built-in FM, 8GB built-in flash memory