About this product 1 piece Black 【Compact Design & Long Battery Life】 With a diameter of just 3cm and a thickness of 7mm, this is an extremely small body. It fits naturally on keychains, pet collars, and coin purses, and is so light you'll forget it's there. Yet, it achieves a long battery life of up to 1 year (under standard use). No worries about running out of battery. Easily replaceable with commercially available button batteries (CR2032) readily available in Japan. The lightweight and robust design can withstand daily carrying and pet movements, continuing to deliver reliable performance over a long period. 【Peace of Mind in Finding】 An essential item for cyclists, easily visible at bicycle parking areas in front of train stations. Provides peace of mind with location information even during short breaks while walking your dog or cat. If you put it in your child's school bag or lesson bag, you can check their route home smartly. When elderly family members go out, knowing their current location reduces the burden of monitoring. Also ideal for travel companions such as hiking backpacks and carry-on bags, making baggage claim at the airport stress-free. A versatile monitoring tool that covers all "moments of potential loss," from daily life to outdoor activities and emergencies. It caters to diverse lifestyles in Japan, from preventing loss to ensuring safety. 【Global Precise Positioning & Unlimited High Accuracy】 Utilizing Apple's overwhelming "Find My" network, you can grasp real-time location information not only in Japan but also while traveling abroad. No need to download additional apps or go through troublesome settings. Using the "Find My" network on iPhone, iPad, and Mac devices, the AirTag's current location is pinpointed on a map. The loss prevention tag accurately locates the position globally, regardless of distance.