Boy Sport Creative Clock Fashion Mens Digital Lava Wrist Watch Men Black Full Metal Red Blue LED Display Watches Gifts for Male

Screen: Top and bottom row LED lights for time and date display
Length: 194 mm with 18 segments for wrist adjustment
Function Buttons (right-side): Top (hour and date display + select), Button (change mode)
Settings: Time, Date, Year.12-hour / 24-hour displaying system selectable
Power: CR2016 (x1) pre-installed, please change the batteries when the luminosity is too week.
LED Digital Watch looks like a common metal bracelet at normal condition, but dark-blue light will be sent out just like lava
while LED is lighting.
Time setting: Press the button on the right side of the watch, the current setting will blinking, continue pressing the button
until you arrive at the setting you want to change, then press another button to change the information