Specification:

1. Upper and down case: ABS black injection

2. Keycap: black injection,  laser engracing

3. Whole piece of  silicon  + conducting membrane

Feature:

1. 4 multimedia buttons                  

2. Slim and durable keycaps, anti-bacteria material,  low battery indicator (when the battery is low,  LED light automatically flashes)

3. Whole piece of silicon, stregthen  waterproof function

Size：430*120*26mm