With our bluetooth tracker you'll never lose anything! This small device can be attached to the house keys, a pet collar or the handle of a suitcase. With its APP in English, you can link it to your phone (compatible with iPhone and Android). CHARACTERISTICS: - Range: 75 meters (unfenced) - Dimensions: 51mm x 30 mm x 10 mm - Weight: 9 grams - Battery life: 6 months (Lithium button battery CR2032)