Odear 5v Reduce The Voltage to 4.2 v USB Charger Cable 5.5mm Size Design for Rechargeable Flashlight Powered by 4.2V Input Device (5.5mm)
Brand: ODEAR

Ouput: DC 4.2V. - Input: DC 5V.
,5.5mm(0.22inch)
cable length:3 feet.
USB 5.5mm Barrel DC cable plug design for flashlight,headtorch..

5v Reduce the voltage to 4.2V Charger USB Charger USB Charging Cable with LED Indication.
USB 5.5mm Barrel DC cable plug design for Led ,flashlight and other 4.2V input device.
The USB cable can directly Power the LED flashlight or searchlight. .
usb connecting the charger,Ouput: DC 4.2V. - Input: DC 5V.,5.5mm(0.22inch)cable length:3 feet.
when charging:Indicator light is red,full:blue.