A10 mini Bluetooth colorful light speaker

A10 mini Bluetooth handsfree call custom colorful light speaker 

Casing Material: Aluminum Alloy
Frequency Response: 150Hz-20KHz
Output Power: 3W*2
Bluetooth Standard: RDA 3.0
Frequency: 2.402-2.480GHz
MIC Sensitivity: -38db
Speaker Sensitivity: better than -82dBm
Range: 10-30 meters
Working Voltage: DC3.7-4.2V
Working Current: 150mA
Power: Built-in 3.7V,400mAh Li-ion Battery.
Charging Voltage: DC4.8-5.5V, 200mA.
Music Playing Time: more than 2.5 hours.
Handsfree Talking Time: more than 4.5 hours.
Standby Time: more than 20 hours

Unit Weight: 290g.