If you are a lover of computer science and electronics , you like to stay up to date with technological news and you don't miss a detail, buy the Xiaomi MDZ-38-DB Portable Bluetooth Speaker Black at the best price. Type: Bluetooth Speaker Portable Speaker Color: Black Connections: USB-C Battery Capacity: 2600mAh Material: Plastic Features: Waterproof Speaker Catch 2 Speakers Battery Type: Integrated Lithium Ion Connectivity: Bluetooth Sound: Stereo RMS Power: 30W IP Rating: IP67 Includes: USB cable User Guide Control: Buttons Range: 25m Broadcast: 20 Hz 60 - 20000 Hz Not included: AC adapter adapter Zasilana battery: 1 Lithium Ion, included