Practical Telephone Amplifier Extra-Loud Sound Wall Used in Noisy Environments Easy to Use

brand new and
Installation
1.Please connet the C/O plug with
2.The plug connet with telephone.
3.There are high,low switches for your
Features
Flashing light alerts you of incoming calls in quiet environments.
It has a light and to select between a high and low frequency sound.
The has 2 positions: for the high frequency sound and the other for the lower frequency sound.
Easy to easy. Operates with simple connection to phone line.
for Ideal solution for the hard of hearing, or for use in noisy environments, indeed indoors.
Telephone only, other accessories in the picture are not included
Specification
Plastic
Color: White
Dimension: 97x57x26mm/ 3.82x2.24x1.02in
Quantity: 1 Pc

Note:
1.No retail package.
2.Please allow 0-1cm error due to manual measurement. plz make sure you do not mind before you bid.
3.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!

Package includes:
1 x Telephone