Seamless for Apple Integration: The Bluetooth Tracker works for Apple Find My app, allowing users to easily locate lost items using for iPhone, for iPad, or for Mac. Simply connect the device, and its location will be visible for Apple Maps in real-time Bluetooth Signal for Precise Positioning: Every two seconds, the Bluetooth Tracker sends a secure Bluetooth signal, which nearby for Apple devices can detect and relay to the iCloud server, giving users accurate positioning on their maps Global Crowdsourced Tracking: With over 2 billion for Apple devices around the world, the Bluetooth Tracker allows users to leverage a global network to locate lost items, ensuring maximum chances of retrieval Close-Range Sound Alerts: When in close proximity (within 10cm), the Bluetooth Tracker can emit an 75dB beep, making it easy to track down items hidden under furniture or misplaced in your home Specifications: Battery: CR2032 (225mAh) Operating voltage: DC 3.0V Wireless version: BLE 5.2 Wireless distance: 40 meters (open visual distance) Buzzer: built-in 75 dB (at 10 cm) Operating temperature: 5 to 45 (23 to 113) Operating humidity: 95% (no condensation) Package included: 1 x Bluetooth Tracker 1 x English and Chinese User Manual