Model No.: KZB70
BT Speaker with RGB Light
Output power (RMS):5W  
BT version:5.3
Driver size :52mm x 1 
Material:ABS
Speaker impedance:3Ω     
Frequency response:120HZ-18KHZ 
Sensitivity (dB): ≥85dB
Wireless connection range (ft):10M
Microphone response (Hz):50hz-3Khz
Microphone sensitivity (dB):-38dB
Input voltage (VDC/A):5V-500mA
Max supported USB/MSD memory size:32GB
Supported audio formats:MP3
Battery capacity is 1200mah
Charging time:>2h   
Playback time:8 H (50% volume)
Bluetooth music playback
Hands Free call
Support TF card/Aux line
USB flash disk jack
FM radio model