Light, easy to carry; Terrific convenient for travel, climbing, hiking, walking, cycling; With the strap, you can put it on your bag, bike, even you can wear it like a necklace; Its shining color will make you outstanding; Human voice prompt, convenient operation by using a simple button; Removable beautiful rope can be used for decoration; Matching tablets, smart phones and all kinds of bluetooth devices; Can be also used as a portable gaming speaker; Hidden TF card play, widely used