Basic Specs

BT Version

BLE 5.0

 CPU

Dialog DA14531

Material

Ceramic _Stainless steel

Waterproof

IP68

Size

Existing size is #11,#8(USA size)

Battery

Rechargeable lithium battery, 18mAh

Memory

Data in APP

Charging Method

Wireless charging

Charging Time

< 2 hours

working Time/Standby

4-6 days/15days

Compatible System

Android 5.0 & iOS 10