Callez RJ9 4P4C Telephone Training Adapter Y Splitter for Headset or Handset Compatible with Plantronics Mitel Polycom Avaya Yealink Cisco Aastra Shoretel Nortel NEC Grandstream and Other Desk Phones Black sold2025 SE 2020 With Extender ✓

SE 2020 With Extender ✓ ✓ ✓ Cutouts for Fingerprint ID ✓ ✓ Screen Water Resistant ✓ ✓ ✓ Questions & Answers: Q1: Is there an opening to plug in earphones

Ergonomic Finger-shaped handle stabilizer for reducing hand vibration

It comes with remarkable performance of stability in harsh environments

Features: The COMeap CPU 4 Pin male to female cable is to provide a convenient solution for extending the connection from power supply to motherboard

Callez RJ9 4P4C Telephone Training Adapter Y Splitter for Headset or Handset Compatible with Plantronics Mitel Polycom Avaya Yealink Cisco Aastra Shoretel Nortel NEC Grandstream and Other Desk Phones Black sold2025 SE 2020 With Extender ✓Callez RJ9 4P4C Telephone Training Adapter Y Splitter for Headset or Handset Compatible with Plantronics Mitel Polycom Avaya Yealink Cisco Aastra Shoretel Nortel NEC Grandstream and Other Desk Phones Product Features Compatibility Notices: The compatibility of this telephone training adapter depends on whether your RJ9 headset is compatible with your telephone. As long as your headset is compatible with your telephone, the adapter will work properly.