1-line
high-quality  speakphone
high immunity to electro-magnetic radiation
robust design with high reliabbility
high quality ABS plastic casing
Adjustable flash-hook timer
handset speakerphone volume control
ringer volume adjustable
anto disconnect on busy tone detection
on-line copy function for memory button
calling number erasure via preset timer
For more pls contact me selenakangATszkcmDOTcom