PINKYou can\u2019t keep eyes on your child all the time even if you are a super-parent. And sometimes they will be attracted by some other things and wander away. That\u2019s why you\u2019ll need this HAVIR HV-102 Bluetooth Smart Two-way Finder Wearable Child Safety Wrist Band for iOS & Android Smartphone! Whether you are on a family outing or filed trip， this little device can help you quickly find the missing child. With a soft silicone band， it rests comfortably on your child\u2019s wrist. The best part is that it supports two-way finder! When the device is 10 meters away from you， it will give out sound alert and send notification to the phone. You can also set the safety distance and alert sound as you wish. Isn\u2019t it brilliant Click and order now!Features Help you quickly find the missing child Soft silicone band rests comfortably on your child\u2019s wrist Support two-way finder， four HAVIR bands can be connected to one cellphone simultaneously When the device is 10 meters away from you， it will give out sound alert and send notification to the phone You can set the safety distance as you wish Personalized alert sound， support recorded sound alert Support do-not-disturb settings of alarm time period USB charging， low power consumption， long battery life Ultra-slim design， lightweight Also great for finding your stuffSpecificationsMaterial\tABSColor\tWhiteBluetooth Version\tV4.0Operating Distance\t10-30MAlarm Volume\t70DBBattery Type\t2032 Button CellBattery Capacity\t200mAhBluetooth Chip\tCC2541Transmission Mode\tWirelessTransmission Frequency Range\t2402MHz - 2480MHzCommunication Distance\t10-30MVoltage\t3VStandby Time\tSix MonthsCompatible System\tApple and AndroidDimensions\t(9.65 x 0.98 x 0.71)\" / (24.5 x 2.5 x 1.8)cm (L x W x H)Weight\t1.11oz / 31.6gPackage Includes 1 x Anti-Lost Alarm Device