Today, at an event in China, Xiaomi unveiled its new Mi Bluetooth Speaker that comes with microSD card support. The Mi Bluetooth Speaker is the size of a pencil case and features an aluminium body. The speaker offers 90dB(A) @0.5m sound and features built-in microphone. Powered by a 1500mAh battery, the speaker is claimed to offer up to 8 hours of music playback. It is priced at RMB 199 (roughly Rs 2,053) and available in a variety of colours.