Features: Button operation instructions: 1. This watch is an LED watch, usually in standby mode (ie black screen). Press the button to see the time, and then return to standby mode after 5 seconds. 2. Press once to display the time, press twice to display the month, and press three times to display the second. Debugging: 1. Press and hold the button for 3 seconds, the left number jumps (this time the button is pressed to adjust the clock). 2. Press and hold the button for 3 seconds, the right number will jump (this time the button is pressed to adjust the minute). 3. Press and hold the button for another 3 seconds, and the numbers on both sides will jump (this time the button is pressed to adjust the date). 4. Press and hold the button for another 3 seconds, the left number jumps (this time the button is pressed to adjust the month). 5. After successful debugging, park for 5 seconds. Specification: Movement: Electronics Dial diameter: 50mm Thickness: 15mm Mirror material: plastic Band material: silicone Case material: plastic Note: Actual color may be slightly different from the image due to different monitor and light effect. Movement:DigitalCase Material:RubberClasp Type:BuckleWater Resistance Depth:No waterproofStyle:Fashion & CasualFeature:NoneBand Material Type:RubberBand Width:19mmBand Length:230mmCase Thickness:15mmDial Diameter:50mm Include: 1 x Watch