1. Global Positioning Anti-Lost Device 2. Remote Positioning, One-Click Search, Missing Notification 3. Wallet, Bag, Keys And Other Items Find Easily 4. Accurate Positioning, One-Click Call, No Need To Download The App 5. Works With for Find My Applicable People:General Model: Wearing :Lanyard, Carry-On Battery Capacity:210mAh/CR2032 Applicable Platform:for Ios Platform Note:Different Batches May Have Differences In Product Appearance, Color, And Printed Characters, Which Will Not Affect The Use. Colour:Black Material:ABS Package Contents: 1 * Positioning Anti-Lost Device 1 * English Instruction Manual Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.