Penis Erection Massager EASTME-5104 Make mans penis erection to excrete the remnant emiction --The device presses the bottom of penis capillary and makes penis capillary filled with blood to have an erection --You will feel noticeable improvement after 1-2 weeks --If you feel satisfaction, stop using the device --The effect will persist about 1 - 3 months --Battery: CR2032 battery x 1 pc --Perineum massage pad: 1 pc --Soft pad: 2 pcs --User menu: 1 pc --Dimensions: 57 (L) x 32 (W) x 10 (H) mm --Weight: 14g (include the battery) --Mode: 10 types --Intensity: 20 levels --Output voltage: 25 - 50V --Frequency: 2 - 75Hz --Power: CR2032 battery x1 auto protective function