Rimba Electro Play. This item fits directly to all 3 Rimba power boxes (7850 / 7880 / 7890) 
Each individual clamb is uni-polar but together in use these clamps are bi-polar. 
Warning: don't put 2 plugs into one clamb because you create a short cut and no shocks will be felt.

Always be careful, do not use if skin is broken or iritated, when you have heart problems or are pregnant. Tip: use rimba contact gel ref # 3000 toexperience the best results.

This Rimba Elecro Sex ring has a 2,5 mm jack plug that connects directly to all Rimba Power Box devices.