Poly MO300 Headset Adapter Cable for iPhone & Blackberry - 3.5mm TRRS to Quick Disconnect, 0.25m, Black

Field technicians and mobile professionals often juggle calls on their smartphones while needing the comfort and audio clarity of a professional headset. The Poly MO300 adapter cable bridges that gap, connecting your iPhone or Blackberry to Plantronics H-series headsets via a 4-pole 3.5mm TRRS plug and Quick Disconnect (QD) connector. With a compact 0.25m length, it keeps your setup tidy without restricting movement.

Key specifications

• Connector 1: 3.5mm TRRS (4-pole mini-jack) male, CTIA/AHJ standard
• Connector 2: Quick Disconnect (QD) male, compatible with Plantronics H-series headsets
• Cable length: 0.25 m (10 inches)
• Supports stereo audio and microphone
• Colour: Black
• Product type: Headset adapter cable

Why choose it

This adapter eliminates the need to switch headsets between devices. The QD connector allows you to quickly detach the headset when away from your desk, while the TRRS plug ensures full compatibility with modern smartphones. Built for daily use, it delivers reliable audio for calls and multimedia.

Ideal use cases

• Office workers who use a professional headset with their mobile phone
• Call centre agents needing to transition between desk phone and smartphone
• Remote workers who prefer a comfortable headset over earbuds
• Anyone with a Plantronics H-series headset wanting smartphone connectivity

Good to know

The cable is designed for CTIA/AHJ wiring, the standard used by Apple and most Android devices. If your device uses OMTP (older Nokia/Samsung), this cable may not be compatible.