Feature:1. With luminous function that makes it more convenient for you to look at the time when at night or in dark environment.2. Light weight, comfortable for users to wear, no burden and no pressure for skin after wearing for maximum comfort.3. Waterproof design to improve the practicability, easy to carry and convenient transportation, exquisite workmanship, no scratching for your skin.4. Powered by 28mAh SR621SW built in battery, high sensitivity and clear display time for your convenience.5. Made of high quality rubber and plastic material, durable and reliable in use, not easy to damage, having long service time.Specification:Item Type: Electronic WatchMaterial: Rubber, Plastic Battery Model: SR621SW (built-in)Battery Capacity: 28mAhApplicable Group: Any group that wants to have smart wrist watch Applicable Scenario: For viewing time and intelligent detection Package List:1 x Electronic WatchNote:Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.