Features: Professional H132R Call Center headsets with two Mode Noise Cancellation (20-40dB reductions) and Universal RJ9/QD connectors for Clear Communication. The length of the headphone cable: about 2M.
eBay
20 Pcs LED Wire Connectors Double-Wire Plug-in Connector with Locking Buckle-Pluggable 2 Pin 2 Way Electrical Wire Connector
Aliexpress UK
1 x RJ9 4P4C male to female adapter cable. Interface: RJ9 male to RJ9 female. Very suitable for all phone models that often turn off the headset, and can be used with all directly connected headset models.
eBay
10pcs/5sets 2 Pin Way Connector Waterproof Connectors Male & Female Way 16 AWG Wire for Car Truck Boat Electrical Connector
Aliexpress UK
Interface: RJ9 male to dual female ports. Size: line length 50cm.
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10-100pcs Robotic Lawnmower Cable Connector Waterproof Gel Connector Terminal 3 pin Electrical 314 Wire Connectors Accessories
Aliexpress UK
Connector Type: 4P4C. 50 x RJ9 Connector. Transparent color. Net Weight: 33g.
eBay
6Pair 3Pin Connector Waterproof, 16AWG 3 Wire Connectors, Automotive Electrical Connectors Male Female Way With Heat Shrink Tube
Aliexpress UK
Interface: RJ9 male to dual female ports. Size: line length 50cm.
eBay
50pcs Low Voltage Wire Connector, Double Wire Plug in Connector with Locking Buckle, Led Light Strip Connectors 2 Pin
Aliexpress UK
Interface: RJ9 male to dual female ports. Size: line length 50cm.
eBay
5-piece hose connector quick connect kit connector repair irrigation accessories water pipe extension connector garden drip irri
Aliexpress UK
Connector Type: 4P4C. 50 x RJ9 Connector. Transparent color. Net Weight: 33g.
eBay
5pairs 2 Pin Waterproof Electrical Connectors, Male and Female Wire Connectors, 12V Plug Connector, Suitable for Connecting Weak
Aliexpress UK
Connector Type: 4P4C. 50 x RJ9 Connector. Transparent color. Net Weight: 33g.
eBay
5/10 Sets 2 Pin/Way L6.2-2P Connector Plug Male and Female Air Docking Connector 6.2mm Pitch Electrical Connector
Aliexpress UK