Model: FG-07S (Jie Li)
Battery capacity: 3.7V/350mAh with protection board
Bluetooth version: V5.0+EDR
Charging time: 1-2 hours
Color: black, red, gold
Play time: 10 hours maximum volume
Frequency response: 20HZ-20KHZ
Weight: with packaging 345g
Output power: 40mW
Function: Wireless Bluetooth / with FM / card / computer headset
Transmission distance: 10-20 meters barrier-free
Interface: 3.5mm audio hole, TF bayonet, USB 2.0
Signal to noise ratio: 85dB
Packing list: Charging cable + audio cable + manual + box
Distortion: 1%
Box gauge: 74*43*41cm/50PCS
Impedance: 32Ω
Color box size: 20*20.3*8.4cm