OEM New Custom NFC Ceramic Ring RFID Smart Contactless Payment Ring with Sleep Tracker and Remote Control Function

Material: Ceramic +stainless steel+ resin

Chipset: ZK

Battery: 15-20mAh/3.7V lithium battery

Charging: usb magnetic charging

Battery life: about 5~7 days

Charging time: 80 minutes

Waterproof:IP68

Android 5.0 and above; Apple IOS 10.0 and above

Function:-Night sleep tracking Sleep quality score Sleep heart rate, HRV

-All-day heart rate test/heart rate trend/view history

-Single saturation test / Track the last 7 readings / Analyze 7-day trends / Access blood oxygen history

-All-day HRV test/HRV data for the last 7 days/average HRV

-24 Sports: 19 basic sports, plus 5 GPS sports

-Single stress assessment/stress history

-Distance/calorie/step count/7-day intense exercise, etc.

-Online Meditation Courses/White Noise Sounds

Dimensions: 8.9*2.8mm

Weight: 3.3g

Battery Life: 5-7 days

Color: Black/Gold/Silver

Size: 6# 7# 8# 9# 10# 11# 12# 13# 14#

Certificate: CE/ROHS/FCC

Package size:102*78*30 MM

Package Weight:90.8g

100pcs/Carton

43*23*49.5cm/

GW: 15 kg