Check the listing for details. Blue Charm Beacons Bluetooth BLE iBeacon (BC-U1-MultiBeacon) – USB powered. Condition: New. Listed at 17.95 USD. Our newest USB-powered beacon makes battery life a non-issue. In addition, because there is no battery to worry about, you can speed up the broadcast interval to 100ms to make it easier for phone/scanner to “see” and react to the broadcast very quickly. Does not include wall charger; compatible with any standard USB-A 5V wall charger or USB-A port on a computer or inside a vehicle.Broadcasts your choice of iBeacon, Eddystone TLM, Eddystone URL, and/or Eddystone UID format. Eddystone TLM broadcasts battery strength, temperature, and broadcast count data every tenth broadcast. (This is NOT an Eddystone URL beacon for broadcasting your website or ad message to nearby phones. That service has been SHUTDOWN WORLDWIDE by Google as of Dec 6, 2018.)Free configuration apps for iPhone & Android allow you to adjust settings according to your needs.Transmit distance: 0.2-60 meters. Selectable TX levels: -40, -20, -16, -12, -8, -4, 0, +4dBmOur website has very detailed step-by-step instructions with multiple screenshots under the Quick Start Guide menu.This beacon is eligible for our optional bulk configuration service.Specifications:Transmission: iBeacon, Eddystone URL, and/or Eddystone UID format.BLE version: 4.0 and 5.0Battery size: none; USB-A powered; Does not include wall chargerSize: 22mm x 16mm x 6mm (approx. 55/64″ x 5/8″ x 15/64″)Weight: 1.5 gramsWaterproofing: noPassword: yesWide TX Power range: select from -40, -20, -16, -12, -8, -4, 0, +4dBmInterval: adjustable from 100-10,000 milliseconds including optimal precise numbers such as 1022.5msOn/Off switch: noChip: nRF52810Transmit distance: 0.2-60 metersAndroid app: yesiOS app: yes Feel free to contact us if you have any questions or would like to order in bulk (100-10,000 pieces) Blue Charm Beacons ships within the USA via US Postal Service First-Class Package service. International orders shipped via eBay's international shipping service.