Suitable for clean necklace, earrings, bracelet, coin, shaver blade, pen point, badge, hardware parts, eyeglasses, lens, glass, accessories, artificial teeth and tableware, etc.; Safe, clean and environmental friendly; Easy to clean; Remove all dirt, oil and harmful objects that on jewelry surface and tiny gap, making them refresh new; Adopts physical cleaning, no harm to jewelry; It is the safest cleaning way in current; Lightweight and portable; Easy to operate.