[Portable speaker]The hands-free portable speaker can emit loud and clear sound, so you 't have to worry about the volume and sound . At maximum volume, the sound can reach 800 feet (depending on the surrounding conditions).[Folding Grip]When not in use or in storage, it can be folded up, compact and inconspicuous. Put it through your wrist to prevent dropping it and you 't feel tired even if you hold it for a long time.[Long-time power supply]It can be used continuously for about 6 hours by using 4 C dry batteries. Since dry batteries are used, it can be used in case of power failure, or emergency.(Batteries not included)[Multi-Occasions]Used for shouting and cheering during sports festivals, activities and activities. Used for conferences/speaking, outdoor activities at sea or in the river, and camping. As a prevention product in the event of a , it delivers your voice from a long distance with a volume.Colour:blueMaterial:ABSPackage Contents:1 * Speaker(Without battery)Only the above package content, other are not included.Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.