This is a Bluetooth anti-lost alarm with a compact design for easy storage. It can connect to your iPhone and one iPhone can connected at most 4 anti-lost alarms. When your kid, elder, pet, and other products (such as keys, bags, luggage and whatever easy to lose) apart a certain distance from your iPhone, the alarm and iPhone will both ring.

• Two-way (bidirectional) search.
• According to your request, you can choose 0-30m as a safe distance to search.
• Multi-voice alarm model (with vibration): the anti- lost alarm is good stuff for you when go outside with your kid, elder, pet and luggage.
• One iPhone can connected at most 4 anti-lost alarms: you can safeguard 4 things at the same time and also can take photos of each to differentiate.
• Rechargeable by a microUSB cable. Please charge for half an hour at the first time you charge it.
• Personalized time settings: you can set the open time and close time.
• Material: ABS plastic.
• Response frequency: 2,402-2,480 MHz.
• Voltage: DC 5V.
• Standby current: 0.4UA.
• Charge time: 0.5h.
• Charge: microUSB.
• Function key: switch/sourcing.
• LED indicator light: 2pc.