Product Name: Bluetooth Low Energy Round Small Size BLE 4.0 Bluetooth Module Nordic51/52 Model NO.: Jaalee Beacon Chipset: Nordic 51/52 Protocol: Ibeacon/Eddystone Round/Square Shaped: Available Battery Holder: Cr2016/2032/2450/2477 Trademark: Jaalee Transport Package: Jaalee Carton Package Specification: BLE Beacon Origin: Shuangliu, Chengdu, China HS Code: 8526919090 Product Description Chengdu JAALEE Technology Co., Ltd., based in China and established in 2012, is a high-tech enterprises. We focus on the design, development and manufacture of Bluetooth, GPS, WiFi ,GSM and mobile Internet technology. We have independent intellectual property rights, and ISO9001, FCC, CE, ROHS and MFI certificated. Jaalee product is sold in USA, Europe and Asia more than 30 countries and regions.Our mission is to connect people and their properties into the Internet, and Make Internet serve human better.ODM & OEM SERVICECase customizationFor mass purchase, we provide the case customization and even the hardware design just for your customized housing!Logo printing customizationWe can print your own logo on the case in any color (Gradient color will relatively cost more).Firmware customizationWe provide the firmware customization. You can change the UUID, major, minor and other parameters.