Product parameter. Size: 54x85.6x1.8 mm. Weight: 10g. System: RTOS. Bluetooth Low Power: Ding GR5331. Frequency: 2.4 GHz. Physical keys: one. Sound: 10CM, 80dB. Battery capacity: 3.7V,100mAh. Charging method: Wireless charging. Distance: Indoor 10-20 meters/outdoor space 40-60 meters. Waterproof: IP68. Card wireless charging positioning anti-loss device upgrade of technology, Easy to put down, Powerful positioning system, Global precision search, One-click call device, Support wireless charging, Anti-brush theft, No need to download APP, Multi-scenario application Global precision search,No longer afraid to lose,With the help of for the Find My network, as long as there are devices, (for /for /) around the world, you can connect with these devices, through Bluetooth and upload the location information of the item to for the , server, and your privacy is always. protected during the whole process One-click call device No longer afraid to find In the connected state, open 's built-in "Find "APP and click the" Play sound "button, the device sounds a reminder, you can quickly find the item according to the sound reminder. Stay reminder Take Put the anti-loss card in your wallet, and your receive an immediate notification when it leaves your Bluetooth range, alerting you. Charge an incoming phone Convenient and fun Just put it on the wireless charger for fast charging, making it easier to use. The built-in 100mAh battery provides long-lasting battery life, ensuring that you do not need to charge frequently in daily use.Multi-scenario use Guard important items at all times Family life The anti-loss card provides 24-hour protection, allowing you to keep track of your wallet's location anytime, anywhere. Working environment, In the office, attach the anti-loss card to the laptop, folder or important documents to avoid loss due to negligence and improve work efficiency. On the journey When traveling, keep your anti-