This anti-lost smart finder adopts latest BT 4.0 technology to connect smart phones, handy like a key ring, easy to carry and use, keep your Valuable things safe and within your range. Works as a remote shutter for self-portrait, capture the happiest moment easily. You can remote control the camera or voice recording of your phone by press a button. It can take awesome wide angle selfies from your front or rear facing cameras. The price includes the shipping cost to ca, Qty over 20K by ocean. Thanks for your inquiry.