Electrosex boxes and toys can have different-sized plugs, making it difficult to be able to use different branded items together. This in-line adapter will allow you to use items that have a 2.5mm jack with units that are made for a 3.5mm jack.
In-Line 2.5mm to 3.5mm Adapter
C$8.10Price
You will need an adapter for each plug on the accessory that you plug into the base unit. This adapter Converts the 2.5mm plug to a 3.5mm plug