Product features: Locator device appearance exquisite fashion, color can be matched with each other, providing unlimited combination of imagination space.Material: Plastic + electronic componentsCompatible: IOS11.0 system and Android8.0 or above (Bluetooth 4.0 required)Applicable Scene: Universal,Work HomeBattery: Button battery CR2032 Design Style: With Bluetooth 4.0 Technology, Extremely Low Power Consumption, Key Battery CR2032 Power Supply, Standby Time Is Estimated To Be More Than 6 Months, Easy To Replace. Connect The Bluetooth Function Of Mobile Phone, Two-way Search Function, Can Connect Multiple Locator Devices At The Same Time. Material: Plastic + Electronic Components Service: If You Received The Damaged Package, Please Contact Us At Anytime. Scene: Universal, Work, Home Function: 1. Provides Do Not Disturb Function, Can Be Set To Mute For A Of Time, To The Loss Of Equipment At Work And Other Important Things To Control The Phone's Shooting Function.\n2. View The Map Position When The Locator Device Is Disconnected On The Mobile Phone.