• 【Notify When Left Behind】Whether it is a wallet, keys or other personal items, once the items are left behind, the mobile phone will receive a notification to remind you to find them back to avoid loss.
• 【Widely Use】It is widely used for luggage, wallets, suitcases, bags, puppies and more.
• 【Easy to Carry】Small in size, it's more convenient to store it in your pocket and carry.
• 【Practical Gift】It is a perfect gift for aging parents, forgetful friends and more.

Specification:

• Material: ABS
• Bluetooth-compatible version: 5.2
• Product size: 38*38*7mm
• Weight: 9g
• Sound search range: 10-20 meters (indoor); 20-50 meters (outdoor)
• Position search range: global positioning
• Volume: 90DB
• Battery: CR2032 button battery, 150mAh
• Standby time: one year