Pure color Bluetooth audio TWS series card radio

Function support function: TF, FM, USB, BT, 1+1
Battery: 18650.1200MA
Color: black. red. blue. army green
Horn size: 52mm
Horn Impedance speaker power: 4Q5W+ 5W
Voltage for Charging: DC 5v
Charging time: about 5h
Working time: 2h-5h
Product size: 298*112*112mm