Features

(1) With adjustable headband

(2) Double Side Silk

(3) USB power supply

Specification

(1) Input Voltage:5VDC/1A
(2) Weight : 0.2KG
(3) package size: 28X10.5X5 cm
(4) poly bag + color box
(5) color box size: 28*10.5*5cm
(6) 100pcs/carton