You can use this soldering jack to make any 3.5mm connector cable by yourself, and then you can repair your headphones. Type: male. Material: Copper. A heat shrinkable tube is provided in the solder connector.
eBay
Mini Micro JST 1.25mm 2 Pin Single Plug Wire Cable Connector JST 1.25mm Connectors with 28AWG Electronic Wires 10/15/20/30CM
Aliexpress UK
Insulated 8-pin mini DIN plug suitable for a range of uses with matching sockets. Insulation Resistance 50MΩ Min. Housing Material ABS. Technical Information.
eBay
5Pairs Mini Micro JST PH 2.0mm Pitch 2 Pin Male Female Jack Wire Cable Connector PH2.0 2P Plug Socket Connectors 26AWG 200MM
Aliexpress UK
The BT Mini Connector Kit Adapters in white are a set of two powerline adapters that offer a maximum LAN data rate of 1000 Mbps. These adapters are designed for use with Ethernet (RJ-45) ports and have a maximum powerline data rate of 1000 Mbps. The adapters are from the BT brand and are manufactured in China. Ideal for quickly setting up a wired network in your home or office, this kit provides a reliable and fast connection for multiple devices.
eBay
100pcs Micro USB Connector 5pin 0.8mm B Type With hole Female For Mobile Phone Micro USB Jack Connector 5 pin Charging Socket
Aliexpress UK
Fit 18-24AWG Wire. -Housing Material： Plastic. -These connectors are useds in Cars, Motorcycles, Mopeds, Lorries, Caravans, Boats, Quads, Scooters and many other applications.
eBay
50pcs/lot 5Pin Micro-B SMD Micro USB Connector Female Port Jack Tail Sockect Plug For Android phone data connector
Aliexpress UK
FASTIN-FASTON Connector. 2.8mm Mini Connectors. 2 Way YELLOW Mini Electrical Connector Kit. Lucas Style Bullett Connectors. Then use the “Add to Basket” button. High Quality 2.8mm 110 Series 2 Way YELLOW.
eBay
Micro Mini USB 5pin Male to USB male Up Down Left Right Angled Double 90 Degree Fast Data Charge connector Short Cable Cord 3 5m
Aliexpress UK
Screw: M1.6. Pin material: brass, tinned. Temperature range: -30°C~120°C.
eBay
2-pin 4-pin Data Line 25cm USB MINI Micro Type-C Power Supply Extension Wire Cable Charger Connector Male Female Plug 0.25m 1m 2
Aliexpress UK
6 x BT Mini Connector Passthrough powerline adapters (wired powerline adaptersnot wireless). Each adapter has DUAL ethernet ports which enables connection (via two ethernet cables) to two internet-enabled devices simultaneously, as well as a passthrough socket so you will not need to sacrifice a wall socket.
eBay
HDMI-Compatible Adapter 90 270 Degree Right Angle Male to Female Converter 8K HD Connector Mini / Micro HDMI-compatible Extender
Aliexpress UK
Pin: 2Pin / 3Pin / 4Pin (optional). Pitch: 2.54mm. 10 Pair connector with wire. Wire size: 24AWG 1007. Quantity: 10 pairs (10 single-head wires + 10 sockets).
eBay
COB Mini Led Light Strip Wire Connectors 2 3 4 Pin Connection Solderless FCOB RGB CCT 5 8 10mm LED Strip To Strip Wire Connector
Aliexpress UK