[Portable speaker]The hands-free portable speaker can emit loud and clear sound, so you don't have to worry about the volume and sound quality. 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, disaster or emergency.(Batteries not included) [Multi-Occasions]Used for shouting and cheering during sports festivals, club activities and club activities. Used for conferences/speaking, outdoor activities at sea or in the river, and camping. As a disaster prevention product in the event of a disaster, it delivers your voice from a long distance with a powerful volume. Colour:blue Material:ABS Package Contents: 1 * Speaker(Without battery) Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.