specification: _x000D_Item Type: Buttock Trainer_x000D_Host Battery: Two AAA Dry Batteries (Ship without batteries)_x000D_Function: 6 Modes and 10 Strengths_x000D_Working Time: 12min_x000D_Size: Approx. 25 x 19.9cm/9.8 x 7.9in_x000D_EMS Technology, EMS directly transmits signals to muscles through electrical stimulation, and promotes muscle movement to achieve effect of lifting and tightening. Features: 1Lift the curve of the hips and shape a charming figure. 2Controller adopts high-end technology, conductive electric pulse, strong force, delicate and no tingling. 3A skin-friendly hydrogel that does not fail after repeated use. 46 modes and 10 strengths, suitable for more consumers' choices. 5EMS technology, directly transmits signals to muscles through electrical stimulation, and promotes muscle movement to achieve effect of lifting and tightening. PackageList: 1 x Hip Sticker 1 x Host 1 x Manual