• Anti-lost alarm device
• Coverage distance: 10~15m
• Battery: CR2032 (Replaceable)
• Frequency: 2402~2480MHz
• Color: Black, White, Red, Blue, Purple
• Dimension (mm): 33.94*31.2*7.9
• Weight: 6.4g
• Supported OS: iOS 7 or higher/ Android 4.4.2 or higher