Mi CompactBluetoothSpeaker

-Bluetooth version: 4.2
-Distance limit: 10m
-Rated impedance: 40
-Supported profiles: A2DP/AVRCP/SPP
-Audio frequency range: 200Hz to 18kHz (-10dB)
-Package contents: Speaker x1, User guide x1,connector cable x1 (USB charging cable not included)
-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