KENANLAN Lightweight Ceramic Smart Ring - 9#

Specification: Item type: smart ring. Material: ceramic. Weight: approx. 40 g / 1.4 oz. Battery (integrated): Polymer Li Ion 156825 Capacity: 16 mAh. App: download for ECTRI system. Functions: pedometer, temperature, pressure, sleep tracking, women's health, exercise data, exercise distance, gust function, gust function, somatic games, carrecules and more! IP68. How to use: 1. Download for the ECTRI app to connect the ring and use. 2. Connection lock: you can click on the vehicle image in the lower left corner of the touch screen, select the lock, click the + button, and then add the key card using the touchscreen prompts. (We recommend that you pay attention to the vehicle brand's website, search for owner's manual, match keys to the new card key. There is an instruction video.