Pet Dog Position a-ntilost Bluetooth Locator Accessories Bluetooth version 4.0, ultra-thin design, easy to carry. Automatic alarm effective range. Ringing bell plus vibration alarm, a variety of tones can be adjusted 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 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 within a certain period of time, to 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 Type:Bluetooth 4.0 based product with low power consumption device,Smart Wireless a-nti Lost Bluetooth Alarms Download APP: For ios user,they can search "Kindelf" from APP store then download and install it For Android user,they can search "Kindelf" from play then download and install it Use Mode:1. on/off, on:Press button for 3seconds then you will hear a "Di" sound for and indicator stars to flash all the time, off:Press button for 4 seconds then you will hear a "Di" sound for once and indicator flashing fast to go out 2.Device:Open APP into the "Device" interface as below,Click "+"below graphic signs appared A.Click "unconnected", as graphic sign B.Appear "Connecting", as graphic sign C. connected as graphic sign D.Click "Click alarm",as graphic sign,The device stars to make sound of "DiDi" all the timeand will stop "DiDi"when clicking "Stop alarm"again,Double click of bluetooth device button,an alarm pre-set up will be happened and will stop once click of that button again Click"Setting", as graphic sign:A.Click graphic signs to change the device,B.Change the device name as graphic signs,C."Alarm when bluetooth Disconnected"default in closed,can be opened by manual,otherwise amart phone won't alarm when it disconnects with bluetooth a-nti-lost device,recommend to open as graphic signs,D.Click on "Select Ringtone" the right side to enter the ringtone interface,select the ringtone type as graphic sign 3.Camera:With camera function,single click on the device to have of selfie,and between front and rear camera 4.Location:The device will work with positioning function when it gets disconnected with smartphone,which will keep the extra positioning location when disconnecting and is able yo find the of last seen position.Turning on GPS and keep smart phone contected with internet,otherwise map updated 5.Settings:WIFI Do Disturb:Default in closed,but in a Wifi covering area when open to get connected with a smart phone,the smart phone won't when disconnectingSilent periond:Default in opened,set up periond from 23:00 PM to 07.00 AM day 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 Recerving sensitivity:-94 Operating Environment:-20-70 °C Working distance: About 39-100 Feet (No occlusion) Suitable for: Wallet, Car, Kid, Bags,Suitcase or other belongings. Features: new and Bluetooth version 4.0, ultra-thin design, easy to carry. Automatic alarm effective range. Ringing bell plus vibration alarm, a variety of tones can be adjusted