Electric Shock Therapy nipple Stimulation Labia clip Therapy Massager Electro Climax Shock Medical Sex Toys Package include: 1 x Electro Shock Host (batteries not include) 4 Iron Clips Packing: OPP bag. How to use: 1. Install 2pcs AAA battery to the host. 2. Connect the accessories. 3. Choose function. 4. Adjust the strength ( Turn it to low, then adjust it one by one when use, so you can feeling it from weak to strong ). 5. Turn on the host - press the "Power" button 3 seconds, the red light on). 6. Enjoy it. 4 functions available: Pulse Numb Absorb Auto Different function, different feeling. The red light means power, when it on, the red light will light always. Function Pulse and Auto the green light flicker quickly, while function Numb and Absorb flicker more slowly.