... light, bicycle mini portable speaker, the Best Choice for the Outdoor Activity!Soap Bike audio is uniquely designed for your bicycle. Created exclusively to ... is the LED Lamp, the back is Mp3 music player, with built-in speaker...1, Design/Dimension:120mm×72mm×50mm2, Mp3 Sound time ... : 6H to 8H.Structure3, Sports Bike Audio Sound time: 6H to 8H.4, Structure:Horn ...