Q.Conference mini Speakerphone with Wireless Charging BS2

Specification:
Input: DC 5V/3A, 9V/2A
Charging time: 2.5 Hours
Working time: 8 Hours (50% Volume Of Sound)
Driver type: 40mm
Frequency response: 160Hz-16KHz
Impedance: 4 ohm
Sensitivity: 80db +/- 3db
Supported profile: HFP, AVRCP, A2DP,HID,AVCTP, AVDTP,SPP
Effective range: 10m (Line Of Sight)
Size: 148 x 145 x 34mm; Weight: 456g

Contains: USB to USB-A charging cable (1m)