2.8cm elastic material design, ear protection, does not damage the eardrum, safe and reliable. Configure two soft heads, easy to clean, easy to replace. Stylish and easy to use, home travel is essential. Using an AAA battery, first vibrate the earwax, then inhale the fleeing earwax, and enjoy the clear and loud world. Product Description 1. Material: PP 2. Size: about 13 * 2.8cm / 5.12 * 1.10in (due to manual measurement, there may be slight errors) Advantage: Easy to remove earwax, effectively clean ears. Soft material, comfortable, safe and elastic, does not damage the eardrum, protects ears Easy to clean and replace two soft heads. Suitable for children and adults. What is the difference between electronic and manual? Manually, it is not easy to search for earwax because you cannot see it, you can only use it by feeling. But the electronic earwax kit provides 360-degree round inspiration, and it has a safe length to protect your eardrum, safe and clean. Instructions: Turn on the switch, hear the sound of rotation, place the suction head of the unit on the ear, slowly insert it, and then scrape the four walls of the ear canal back and forth. Just like with a regular ear spoon, it will inhale the earwax inhalation machine. Package: 1x Ear Cleaning Device 2 x Soft Heads