Item Condition: 95% Brand-new without retail package due to some slight scratching during the transportations.(Original item ，not a copy or clone)
Adjustable， Flexible， Boom-Style， Noise-Canceling Microphone Provides Optimum Voice Clarity Level and Reduces Background Noise
Hands-Free， Over the Head， Comfortable and Lightweight Design
Reversible for use with Either Ear， right or left
Convenient In-Cord Volume Control & Mute microphone with a 4 foot cord and lapel clip for unfettered movement
Used standard 2.5-millimeter jack， designed for use with almost all cordless phone
1pc extra ear pad

tca430_1 IMG_231_conew1

2.5

The 2.5mm plug is used for following IP Phones and other telephone with 2.5mm socket.This list is not all inclusive.

For C i s c o SPA 501G， 502G， 504G， 508G， 509G， 525G
For C i s c o Linksys SPA921， SPA922， SPA941， SPA942， SPA962 models
For P o l y c o m IP320， IP321， IP330， IP331
For Grandstream GXP-2000， GXP-2010， GXP-2020， GXP-2100， GXP-2110， GXP-2120， GXP-280， GXP-285， BT200， BT201
For P a n a s o n i c KX-NT136， KX-NT343， KX-NT346， KX-NT366 ，KX-T 7603， KX-T 7625， KX-T 7630， KX-T7633， KX-T 7636， KX-T 7730， KX-T 7735
For G i g a s e t C610 IP， C620H