Supports efficient training with an EMS muscle training belt. - Brand: Aicomy - Product Name: EMS Muscle Training Belt - Set Contents: Main belt x 2, Extension belt x 4, USB charger x 1, Mini spray bottle x 1, Instruction manual x 1 - Materials: Main belt/Extension belt - EVA, Polystyrene, Conductive material, Controller - ABS resin Thank you for viewing.