This device is a product based on the . By using software connection with devices such as , it is not easy to lose items and valuables (such as keys, handbags, etc.). Features -Color:Assorted Color -Material:Acrylic and ABS -Size:4.00X4.00X0.70cm/1.57X1.57X0.28in -Battery: (200mah) - : iFindU -Working distance: 0-30 meters -Standby time: about six months -The product is light, portable, easy to use, and is a convenient and practical key . -Easy to find your lost items, such as, valuables, keys, handbags, and other objects. -You can also use it on babies or pets, never have to worry about them being lost. - workmanship, reasonable structure, professional and practical, can bring you convenience. -Can be given as a practical present to your family and friend. Package list: 4 x Mini Tracer