Hot Metallic Black Lava Faceless Blue LED Volcanic Men Lady Bracelet Wrist Watch This unique LED wrist watch is made of plastic lava material, which features light weight, durable and never fade advantages and also solve the problem of steel allergies. Watch looks like a common bracelet at normal condition, time will be displayed just like lava while LED is lighting Extraordinary bangle style and superior performance Flexible watchband, plastic lava material made (the watchband length is not adjustable and is tend to be longer than ordinary wrist circumference, you can disassemble the watchband as you need) Precise LED display, long lifetime and professional made Powered by: 1*CR2016 battery (pre-installed in watch) Screen: Two rows LED lights for time display Watch material: Plastic lava LED light: Red Suitable for: Man and woman Shape: Bangle Display Type: LED Dial Size: Approx. 4.5*2.6*1.1cm(L*W*H) Total Length: Approx. 22cm Watchband width: Approx. 2.7cm