Basic Specs

BT Version

BLE 5.0

CPU

2 meters

Material

316 stainless steel / titanium (optional)

Waterproof

IP68

Size

No. 6-13 ring sizes (US standard)

Battery

Rechargeable lithium battery, 18mAh

Memory

At APP

Charging Method

Wireless charging

Charging Time

< 2 hours

Working time/Standby Time

4-6 days/15days

Compatible System

Android 5.0 & iOS 10