Xiaomi | Mi compact bluetooth speaker

Bluetooth version: 4.2 Distance limit: 10m Rated impedance: 4Ω Supported profiles: A2DP/AVRCP/SPP Audio frequency range: 200Hz to 18kHz (-10dB) Power supply: Built-in lithium battery Charging port: Micro-USB Battery capacity: 3.7V 480mAh Playback time: 6 hrs at 80% volume Handsfree calling support: yes Dimensions & weight: 50mm (diameter)/ 32mm (height)/ 54g (weight)