Product Description Material: Plastic Size: 48 * 48 * 45 mm Colors: white Battery capacity: 300 mA Effective distance: 10 meters Function: Call function, button for the operation mode of the voice prompt Package contents: 1 * small square bluetooth speaker 1 * USB cable 1. Richer bass and crystal sound Portable speakers with advanced digital sound, noise / wind reduction technology, clear mids and highs from our precise acoustic drivers deliver excellent 360 omnidirectional and deep bass from our proprietary passive bass radiator design. Built-in bluetooth speaker with crystal clear sound and strong bass without distortion even at the highest volume. 2. Mini Portable Size & Powerful The bluetooth speaker is practically small and comes with a portable rope that you can use to hang it anywhere. The small loudspeakers can produce crystal-clear sound with impressive bass and room-filling volume via a high-performance driver and a passive subwoofer. Small but powerful bluetooth speaker. 3. Long battery life and fast charging The wireless speaker is built into a 300 mAh lithium polymer battery and can play hundreds of high quality music tracks in 6 hours on a single charge. (Playback time is affected by volume and audio content.) It can be fully charged in 2 to 3 hours using the supplied micro USB cable. It is the perfect companion everywhere. 4. Anti-Damage The wireless portable speaker is fully sealed and made with indestructible fabrics that are durable enough to withstand splashes and drops. The portable bluetooth speaker is perfect for parties, swimming pools, travel, trips and cycling, as well as various outdoor sports.