Mi Portable Bluetooth Speaker, Outdoor Wireless Speaker with HD Sound Built-in Mic, Hands Free Speakerphone Player for Home Travel (US Version with Warranty) Winner of the red dot and good design awards Compatible with smartphones, tablets, TVs, laptops and more. Lightweight and compact at a weight of only 0.6 lb. Max volume of 90dB(A) at0.5m, Up to 8 hours use on a full charge Hands free support with a built-in microphone for calls