Model No .: MDS009 
IC : AB5616B (2 channel sound,3D sound, heavy bass) 
Bluetooth version : V5.0 
Connection Distance : ≥10m（no barrier) 
Battery Capacity : 170mAh 
Playing Time : 10 hours (80% sound volume) 
Turn off Time : Automatically turn off after 3 minutes if disconnected Bluetooth and no operation 
Power on standby time : 340Hs 
Power off standby time : 56000Hs 
Charge Time : 30 minutes 80%,50 minutes full charged Charging Port : Micro USB