Features: * Mini size and exquisite body, lightweight and portable. * Smart Anti-Lost: when the nut find 3 is out of the safety range, your phone will alarm you. * Bidirectional Alarm: When your phone or camera is left behind and out of safety range, nut find 3 smart tracker and your phone will both beep to alarm you. * One Tough Find: Pressing the Beep button on nut App, it will beep for you to find the nut. * Ultra-low power consumption, the smart tracker will accompany with you for long time. * Group Sharing: Attaching the nut find 3 with remote control, all your families can be found easily.