Observation:1. Product specifications are obtained by approximate manual measurements, not fine ones, and may have slight errors. They are only used as an approximate reference when purchasing.2. No battery or insufficient power is not a quality problem, just replace the battery.3. Life waterproof means splash proof, do not bathe or soak, stay away from hot water and steam.4. The length of the strap is designed and manufactured according to the diameter of the hand. Generally, the diameter of the wrist is appropriate. If necessary, you can shorten the strap yourself.[Movement]: Quartz movementFunction: Watch[Watch strap material]: Silicone band[Surface material]: PlasticCase material: Alloy[Yan Color]: 6 colors[Specification and size]: The diameter of the dial is 3 cm, the thickness is 1 cm, the width of the table is 1.3 cm, and the total length is 21 cm.

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