Slim-Combo Pack GPS Bluetooth-compatible Tracker for Finder Anything Locator Features: brand New and high quality. Bluetooth-compatible connection with 2 more anti-lost devices simultaneously. Mini and compact to carry. Simply track the lost items on your smartphone APP. Anti-lost to protect your kids, pets and valuables effectively. Attach to keys, wallets, phones, watches, pets, kids or other valuables. Refer to the manual for operation steps. Specifications: Material: Plastic Battery: CR2032 Lithium Coin Battery(Not Included） Bluetooth-compatible Version:Bluetooth-compatible 4.0 Low Energe consumption Size: 38*38mm Color: Black, white Quantity: 1PCS Package included: 1 x Tracker- GPS for Pet Finder (Battery Not Included）