Anti-lost alarm， keeping your belongings within range
Suitable for: Wallet， car， kid， pets， bags， suitcase or other belongings
Battery: CR2016 lithium coin battery
Color: Black， Blue， White， Purple
Compatible phone: iPhone 4S / 5 / 5S / 5C / 6 / 6Plus， iPad 3 / 4 / 5 / iPad Mini， Samsung Note3