Product details：

*Card Finder with Hanging Hole *Work with Apple Find My and Google Find Device *Support system: iOS and Android *Material: PVC *Chipset: Lenze *Color:  black,white *Bluetooth version:V5.2 *Volume: 90-100dB (YSFM20) *Range: 30M *Waterproof: IP67 *Battery Capacity: 100mAh 3.7V Li battery(Wireless rechargeable) *Product Size:80*50*2.6mm *Package: paper box