Teenager Student Square Digital Watch Luminous Waterproof Sports Electronic Watch 2126 - Black / White Dial Features: Casual and stylish square electronic watch, suitable for teenagers Soft TPU strap, easy to adjust the size, and is comfortable to wear With luminous function, the time can be seen in the dark easily With a stopwatch, date display, day of the week display, countdown, and alarm clock function, practical and convenient 50m daily waterproof function, you can wear it for swimming, washing your hands, or getting in the rain Specifications: Model: 2126 Movement: electronic movement Battery model: CR2025 (included) Waterproof: 50 meters waterproof Mirror surface material: resin Case material: ABS Strap material: TPU Buckle material: PC Case width: 5cm Case height: 5.1cm Case thickness: 1.42cm Strap width: 2.7cm Total length of watch: 26cm Package Included: 1 x Watch 1 x User Manual