Fockety Smart Fitness Ring - 12#

Spec: Item Type: Smart Fitness Ring Material: Ti alloy with injection process Ring Battery Type: Lithium battery, 20mAh (built in battery included) Charging Case Battery Type: Lithium battery (built in battery included) Charging Case Battery Capacity: 300mAh Ring Battery Life: About 5 days Ring Charging Time: 60 minutes Ring Thickness: Approx. 2.5mm/0.10in APP: for Jring How to Use: Use fine thread to measure the position of wearing the ring (i.e. the base of the finger). Measure the length of the thread with a ruler (make sure the thread is pulled straight and the points on both sides are aligned). When measuring, make it slightly tight, otherwise it will be too big. packing list: 1 x Ring 1 x Charging Case 1 x User Manual