Introduction:<br /><br />    This anti-lost adopts latest Bluetooth 4.0 low consumption technology・ it can chain user's easy-lost & valuable belongings(such as keys・ handbags etc.)・ kids or pets together with smart phones through specified APP software within a setting Bluetooth connection distance. In the effective distance it can realize the functions of Anti-lost・ looking for smart phones・ Self-portrait and Voice Recording. The effective range is 75 feet in open range without barrier. With this device・ your belongings・ kids and pets won't leave your attention anymore.<br /><br />Features:<br /><br />    Brand new and high quality.<br />    Ultra small size and lightweight ensures maximum convenience and portability.<br />    Built-in low consumption Bluetooth 4.0 technology.<br />    CR2032 Lithium Coin Battery (included) ・ works for almost half a year.<br />    Remote control of your smart phone camera for self-portrait.<br />    You can preset 8 devices in one phone at the same time.<br /><br />Specifications:<br /><br />    Bluetooth version: Bluetooth 4.0 Low Energy Consumption<br />    Compatible devices: iPhone 4S/5/5S/6/6 Plus/7/7 Plus・ iPad Mini・ iTouch 5・ iPad 3/4/5・ iPad Air and Android system<br />    Battery: CR2032 Lithium Coin Battery(included)<br />    Standby time: 6 month<br />    Color: Black・ White・ Blue・ Green・ Rose Red<br />    Product size: 5.2 x 3.1 x 1.1 cm / 2.0 x 1.2 x 0.4 inch<br />    Working distance: 75 Feet without barrie