Waterproof Pet Dog Cat Bluetooth GPS Locator Tracker Tracking Anti-Lost Device Features: 100% brand new and high quality Bluetooth version 4.0, ultra-thin design, easy to carry. Automatic alarm beyond effective range. Ringing bell plus vibration alarm, a variety of tones can be adjusted Compatible with Iphone 4s/5,5s,5c,ipad mini.ITouch5, ipad 3/4. Replaceable button battery. Low power Bluetooth technology, battery life up to eight months. Location function. It is convenient for you to check the last position of the object on the mobile phone. A mobile phone, support up to 8 a-nti - loss device management. Bluetooth connection with mobile phone, two-way search function, can be connected to 8 sets of a-nti-loss device. In the connected state, when the a-nti-loss device exceeds the set Bluetooth range, the phone and the a-nti-loss device will alarm at the same time. Mobile phone can check the map location when the a-nti-loss device is disconnected. Provide the function of no disturb, can set the silence within a certain period of time, to prevent the interruption in work and other important time. Through the a-nti - loss device to control the phone shooting function, remote selfie. Through the a-nti - loss device to control the phone recording function. Material: ABS Product specification: Android system:Recommend ios version 11 and above;the Android sysyen needs 8.0 or above,and the phone need to support the bluetooth 4.0 standard Supportbluetooth low energy(BLE):support two-way alarm Frequecy range:5.402-2.480GHz Recerving sensitivity:-94 dBm Operating Environment:-20-70 °C Operating voltage:2.7-3.2V Standby currect:less than 3uA Working distance: About 39-100 Feet (No occlusion) Suitable for: Wallet, Car, Kid, Pets, Bags,Suitcase or other belongings. Battery : Lithium Coin Battery（Included） Package Contents: 1X A-nti-lost device