Product Features:
1. Convert two 3.5mm plugs to single 4P4C RJ9/RJ10 Cisco headset plug.
2. Works great with Cisco IP office phones with a RJ9 headset jack.
3. Does not work with RJ11 jack, which is wider than your headset jack (6 positions vs. 4). RJ11 jack is what is in the wall. RJ9, RJ10, RJ22 are what is on your phone handset or headset.
4. Use your existing i-Phone/ i-Pad, or similar TRRS headset with your Cisco-based phone.
5. PC Stereo Headset Dual 3.5mm to RJ Plug for most Phones as below description compatible list.

Product Parameters:
1. Length: 3.8 inch, Height: 0.4 inch, Width: 2.7 inch
2. Weight: 0.02 pounds

Compatible List:
1. This list is not all inclusive. Please look up the specifications on your specific phone to see if it has a RJ9, RJ10, or RJ22 headset jack. If the Headset Buddy doesn't work with a model on this list we will be happy to refund 100% of your purchase plus pay for return shipping.
2. Cisco IP phone headset jack for models: 7931G, 7940, 7941G, 7942G, 7945G, 7960, 7961, 7961G, 7962G, 7965G, 7970, 7971, 7971G, 7975, 7975G, 7975G, 7965G, 7945G, 7962G, 7942G
3. Does not work with Polycom, Nortel, Aastra, and other phones, only Cisco and Ativa phones. Will not work with the handset jack or an RJ11 jack (wall jack).
4. Incompatible Cisco phones: Cisco 7902, 7905, 7910, 7911, 7912, 7920, 7921, 7961

Packing List:
1 x 3.5mm plugs to RJ9 cable