User's Guide

Product Specification
Model (Neckle RAY PLUS+) NK-M2141 / (Neckle RAY) NK-M2131
LED number
(Neckle RAY PLUS+)
Near-infrared rays (NIR) 153
459 total
Red wavelengths 153
Blue wavelengths 153
LED number
(Neckle RAY)
Red wavelengths 153
306 total
Blue wavelengths 153
Size
Neckle RAY W162 x H80 x D143 (mm)
Cradle W213 x H74.5 x D168 (mm)
Capacity (Neckle RAY) 250g / (Cradle) 242g
Internal battery Lithium polymer 3.7V 2000mAh
Input power supply
5V
⎓ 1A (USB micro 5pin type)
Bluetooth version 4.0 BLE
Rubber hinge
Neckle RAY /
Neckle RAY PLUS+
LED ON/OFF indicator
ON/OFF button
Cradle
Clasp (Auto-Lock function-magnet)
Neckle RAY
charging port