Features: This keychain watch features a large digital display with bold numbers, ensuring effortless time check in any lighting condition, perfect for those seeking a portable and user friendly smart wearable accessory. Crafted from plastic and scratch resistant glass lens, the timepiece combines lightweight portability with robust construction, ideal for active lifestyles and outdoor adventures. Designed for commuters, travelers, seniors with visual challenges, and busy professional who prioritize quick accessibility to time without compromising on styles or functionality. Securely attach it to backpacks, keys, or belts for fast time visibility during hiking trips, daily commutes, or while managing hectic schedules at work or home. Powered by long lasting button cell batteries, this low maintenance accessory eliminates frequent charging hassles while delivering reliabled performances across season. Specifications: Component: plastic, glass mirroring Diameter Size: 40mm/1.57inch Color:Black/Blue/White/Yellow/Pink Practicality: Large digital display, clear and easy to read, suitable for the elderly and people with poor visibility, especially suitable for outdoor activities or occasions where you need to quickly check the time. Package Includes: 1pcs Keychain Pocket Watch note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you donot mind befores you order. 2.Due to the differences between different monitors, the picture may not reflect the actual color. Thanks for your understandings.