... with mobilephone,all device with 3.5mm 4.In stock Portable Bicycle Speaker Specification:1, music playback, high power long time be ... LED indicates;8, USB high speed transmissions;9, playback time: speaker 10-22 hour (as the volume may be) using the ... x 35 x 35 mm17, weight: 132g Parameters:Play time: speaker 10-20 hour (depending on the volume size, be)Use ...