WWII German WL SpkI cardboard loudspeaker replica with Bluetooth device

Description

Exact replica cardboard loudspeaker WL Spkl by
HDF High Density Fiberboard and precision cut by laser.
A
ssembled by our German carpenter to imitate the fold lines on cardboard, with internal support to strengthen the structure.
Exact copy of the original cardboard housings but robust and solid.
Protect by a clear coat to make it water resistance.
With 1m twisted cloth cable and two banana plugs for normal plug in.
With WL SpkI marking, WaA stamp and label.
The device is designed for normal loudspeaker to be plug into radios or as a Bluetooth audio receiver to receive signals from Smartphone or other devices.
Simple operation; there are only two switches.
The Bluetooth power switch and the function selection switch for Normal speaker/  bluetooth speaker..
Volume control will be on smartphone or on the radio.
The battery is place inside the box. (battery not included due to restricted for battery in parcel)
With one meter twisted cloth covered cable and two banana plugs at its end.
A Sony 6" 4 ohm speaker with extensions mounted on original holes position of the box.
Bluetooth 5.0 P15W device,distance 15M, power by DC 8 to 12V battery (not included), with adjustable volume switch.
Please note that due to Postal regulation, battery is forbidden to send by parcel, buyer have to buy battery locally.
Required battery 8 to 12V battery.