Brand: Microlab
Model: HB21

Bluetooth Version: V5.3
Charging Time: 1.5 Hours
Talk Time: About 3.5 Hours
Listening Time: About 8-10 Hours
Headphone Battery: 250mAh (plus Protection Board)
Standby Time: 4 Months
Speaker Diameter: 40mm
Speaker Impedance: 32 ohm
Speaker Sensitivity: 108db+/-3db
Frequency Response: 20-20KHz
Frequency Range: 87.5-108MHz
Interface Type: Micro USB, 3.5mm Aux, FM radio, TF card

Package Contents:
HB21 1 pc
User Manual 1 pc
Charge Cable 1 pc

01-Year Brand Warranty