Clear and distinguishable for speech sound.
FSK/DTMF dual system auto switch.
30 group Caller ID message memories. 5 group outgoing message memories.
Extremely soft ear cushion, make it comfortable during long wear; Durable, suit for 7x24 hours high-frequency using.
To supply power by telephone line only, NOT need any batteries.

Technical Details

Product Details

Product Dimensions

Package Dimensions
Width : 5.59 inch
Height : 4.09 inch
Length : 7.01 inch

Item Weight: 13.76 ounce (View shipping rates and policies)
Shipping Weight: 1.05 pounds (View shipping rates and policies)

ASIN : B015503KFQ