-SPECS-
Model : KR-9900
 
Bluetooth version : 5.0
Plug Diameter : 40mm
Frequency reasponse : 20Hz ~ 20KHz
Sensitivity : 114dab/mW
Connector 3.5mm stereo plug : Yes
TF Card Support : Yes
Cord Lenght : 1.2m +/-10%
 
Play time : 12 hours
Standby time : above 100 hours
Battery capacity : 400mAh
 
Function : volum control, pause, play device, MIC unction.