Durability and Rechargeable BatteryIts made from rugged stainless steel and metal cases, offers excellent protection against drops and scratches. The Battery of the keychain is rechargeable, last up to 4 Months on a single charge. Comparison with trackers that dont have replaceable batteries, which means you don't have to replace the entire unit whenever it dies. It saves costs in the long term and makes the tracker sustainable.More Tracker UsageIt designed with a carabiner, you can attaches easily to a dog collar as a pet tracker. it is more rugged and doesn't scratch as easily. Or just a simple way to track your kids/families. Peace of mind for your life and traveling. Overall, its a superb alternative to the Apple devicePackage and Warranty-Key Chain for women *1, Type-c Cable *1, User Manual. We offer a warranty of 365 days from the date of purchase. Any problem, feel free to contact via the Amazon message center. We will reply to your message within 24 hoursLoud speaker and Left-Behind RemindThe speaker is also considerably louder than others in the market. Within Bluetooth range (50m/160ft), simply use the Find My app to play a sound and locate your item. Meanwhile, your iphone will receive a notification when the tracker is out of Bluetooth range.This effectively prevents you from forgetting or losing your things. (No subscription fee.)Works with Apple Find My For iPhone owners,the 's latest Keychain is an easy top pick for tracking and locating your Key and items. With Apples Find My network has by far the largest number of devices, makes it more likely that youll recover what youve misplaced. It comes with 2 key rings and carabiner, so just connect and go.Certified IP67 Waterproofwith an IP67 rating, The key finder is completely protected against dust, and withstands immersion in water up to 3 feet for 30 minutes. Whether you are cycling outdoors or traveling internationally, the key tracker will accompany you all the way regardless of wind or rain.Attractive and Useful Design Meansuring 3.95*1.4*0.43 inches, 0.12 lb. Not to bulky which makes it easier to blend in and uses on a variety of items such as keys, luggage, backpacks, etc.The built-in bottle opener will come in handy many times over, and its the perfect addition to your hiking, camping, and cycling loadout.Ready to start the party at a moments notice