K21 Bluetooth Beacon is a portable beacon tag with NORDIC ® nRF52 series of extremely-low power ARM ® chipsets. It features an external push button, sturdy hardware, robust firmware, a waterproof design, and a small, case-like form. It is intended for indoor venue-focused promotional marketing and services. Both Android and Apple devices can use this beacon. It also has additional motion sensors. It works well with both iBeacon and Eddystone simultaneously.

K21 BLE Beacon’s transmission range is -40 dBm to +4 dBm. Additionally, a keychain beacon’s maximum range in an open area is 100 meters.

Low power alerts, contactable and non-connectable modes, button and motion triggers, and more are some of the extra features. The K21 Bluetooth Beacon’s compatibility with keychains is its best and most useful feature. It is more portable thanks to this feature. It is possible to customize the product’s color and logo. Additionally, it can be provided with configuration customization.