Smart Bluetooth Anti-lost Mobile Wallet Key, Two-way Alarm, Anti-lost Device

Product information:
Compatible platform: ANDROID, iOS
Battery capacity: 210mA
Interface: Bluetooth 4.0
Wearing method: hanging buckle
Wireless distance: 25 meters
Product weight: 9.5g
Product size: 38*38*7mm
Material: ABS plastic

Color: black, white, blue, green, pink

Packing list:
Anti-lost device*1