Model: FG-19 (Jerry)
Battery capacity: 3.7V/200mAh with protection board
Bluetooth version: V5.0+EDR
Charging time: 1-2 hours
Color: black
Play time: 5 hours maximum volume
Frequency response: 20HZ-20KHZ
Weight: bare machine 192g, with packaging 322g
Output power: 40mW
Function: Wireless Bluetooth / with FM / card / computer headset
Transmission distance: 10-30 meters barrier-free
Interface: 3.5mm audio hole,
USB 2.0
Signal to noise ratio: 85dB
Packing list: Charging cable + audio cable + manual + box
Distortion: 1%
Box gauge: 46.5*35*52.5cm/30PCS
Impedance: 32Ω
Color box size: 16.8*16.8*8.8cm