Bluetooth low energy beacons is small devices that uses Bluetooth tech to send signals over short distances. These beacons can talk to smartphones, tablets, and other Bluetooth devices. They are really helpful for businesses because it help connect with customers in fresh ways. For example, a store use beacons to send special deals to customers when they walk by. This can attract more folks and increase sales. Companies like FUWIT makes these beacons, giving a dependable and effective way for businesses to engage customers.