| Basic parameters | ||||
| Model No. | FG-77 | Battery capacity | 3.7V/350mAh with protection plate | |
| Bluetooth version | V5.0+EDR | Charging time | 1-2 hours | |
| Color | Black/red/white | Play time | 10 hours in Max volume | |
| Frequency responce | 20HZ-20KHZ | Weight | N.W.192g, G.W.350g | |
| Output power | 40mW | Function | Wireless bluetooth/FM/TF card/headset | |
| Transmission distance | Accessibility10-30m | Interface | 3.5mm audiojack/TF card slot/USB 2.0 | |
| Signal to noise ratio | 85dB | Packing | Charging cable+audio cable+mamunal+box | |
| Distortion | 1% | Carton size/qty | 46.5*35*52.5cm/30PCS | |
| Impedance | 32Ω | Box size | 16.8*16.8*8.8cm | |
