Battery : CR2032 Lithium Coin Battery (Not included)

Bluetooth version: Bluetooth 5.0 Low Energy

Available colors: Black

App language: English, Chinese, French, Spanish

Net Weight: 9 gram

Compatible System: ios, Android 4.3 smart phone

Working distance: About 75 Feet (without barrier )

Suitable for: Wallet, Car, Kid, Pets, Bags,Suitcase or other belongings.

App Name: iTracing/isearching (Free of charge)

Standby time: 6 months

Package Including:1 x Bluetooth Anti-lost&1 x User Manual