Light and compact metal body with a braided lanyard for easy portability wherever you go. 34g in weight, 43 x 38 mm in size. This travel wireless speaker is perfect for handbag/backpack and pocket. Also, shockproof anti-falling is a good choice for kids listening.Up to 3-4 hours playback on a single charge at 50% volume. Built-in Microphone for hands-free calling function for answering an incoming call without hassle.