Connects MicroCom XR to 4-Wire Intercoms, 35-Hour Battery Life, Clip for Flexible Attachment Options, Includes an RJ45 to 3.5mm 4-Wire Cable. The MicroCom 4-Wire In/Out Interface and Headset Adapter allows connecting the Pliant Technologies MicroCom XR system to 4-wire wired intercom systems. The flexible adapter features a rechargeable battery with a 35-hour runtime.