Find Nearby: Within a Bluetooth connection range of about 50 meters (outdoor environment), trigger the built-in speaker to locate your belongings via your phone. Compatible with Apple devices, it offers easy tracking through the Find My app Waterproof Function: Even if it's left in the rain, it can work normally, no worry about rain and water Widely Use: It is widely used for luggage, wallets, suitcases, bags, puppies and more Practical Gift: It is a perfect gift for aging parents, forgetful friends and more Easy to Carry: Small in size, comes with a strap, it's more convenient to store it in your pocket and carry Specification: Material: ABS Bluetooth: 5.2 Weight: 6.6g Sound search range: 10-20 meters (indoor); 20-50 meters (outdoor) Position search range: global positioning Volume: 90DB Battery: 150mAh CR2032 button battery Standby time: one year APP: Find My