・Smart Tracker: Attach BT tracker to daily items such as car keys,kids' bags,wallets or pets' collars,then use our free app (Support both iOS and Android systems) to track them ・APP Remote Control: Download free APP,then pair it with your phone. And the BT tracker will generate "beep" sound when you press the button via APP within 98 ft (Open Space) ・Two-way Notification: When BT tracker and your phone are out of effective range,both your phone and tracker generate beep sound to remind you and help you track it back ・Easy to carry: This tracker is small and lightweight,easy to carry like a key chain hanging on your kids' schoolbag or pet's collar ・GPS Tracker: It displays the location where BT disconnect via APP to help you find your items or search your car in parking site ・Multifunctional Design: It can also work as a remote shutter for selfie,so you can press the button to remotely control the camera of your phone Specification: ・Material: Acrylic + ABS ・BT version: V4.0 ・Battery capacity: CR2032,240mAh ・APP: iFindU ・Compatibility: iOS 9.0,Android 9.0 and latest version ・Item size: 40* 40* 7.2mm/ 1.57* 1.57* 0.28in ・Item weight: 8g/ 0.28oz Package included: ・1 x BT Tracker