Rechargeable AAA Batteries, for use with the Slendertone Controller.
Slendertone AAA batteries for Flex and Flex Max belts.
If you have a larger figure this belt extension works with all Slendertone ab belts.
Compatible for use with all Slendertone rechargeable controllers except for Slendertone Face.
The Slendertone controller powers the full range of Slendertone garments. This also comes with a charger.