Package list:1 x User Manual1 x Slimming Massager (Battery not included)1 x Connection Cable4 x Physical Therapy ElectrodeMaterial: PlasticColor: Light BlueMassager Size: 3.90" x 2.91" x 0.94" / 9.9 x 7.4 x 2.4cmLength of Cable: About 39" /100cmPowered by: 2 x AAA battery (not included)Slimming massager can exercise your muscles， improve blood circulation， promote metabolism， beautify the skin and shape your figure. Contribute to erase that muscle tension， headache， neck tension and foot discomfort， and can be positioned in the exact spot， where pain， aches or weakness is felt.