4pcs Smart Bluetooth key finder lossproof key finder mobile phone finder smart object finder for wallets suitcases and child locators Material: Color: as the picture shows, (Due to the difference between different monitors, the picture may have slight color difference. please make sure you do not mind before ordering, Thank you!) Package weight: 45g Package size: 18x11x5cm,(Please allow 1-3mm error due to manual measurement. please make sure you do not mind before ordering.) Compact And Portable Design-the Key Finder Is Easy To Connect, Very Stable And Well Connected. Smart Trackers Are Very Small And Don't Take Up Much Space. It Notifies You When You Are Out Of Range, So You Don't Have To Worry About Finding Your Keys, Wallet Or Pet. A Cell Phone Can Collect Up To Four Trackers. In Addition To Tracking, The Key Can Be Used As A Camera Shutter, For Remote Control And Photography. When The Line Is Broken, The Button And The Mobile Phone Alarm Together. The Mobile Phone And The Item Ring Together And Last For About 10 Seconds. This Function Can Be Turned Off In The Setting. The Gift-this Smart Key Locator Will Be A Thoughtful Gift For Your Friends, Family, And Seniors Who Can't Find Their Keys Or Phones, And It Will Them A Lot Of Trouble. It Is Also The Travel Companion For Your Peace Of Mind. Easy To Use And Feature-press The Button For A Few Seconds. It Opens After Two Beeps. Then Use Your Phone's Bluetooth To Search For And Connect To The Device. If You Lose Your Phone, Press The Button . Your Phone May Sound An Alarm.