Timer simple keychain portable student display time and date electronic watch

Features: *Brand new and high quality. *Made of high-quality materials, you can buy with confidence. *This timer is very portable and can be attached to your keychain. *This product is not waterproof, please pay attention to the usage environment! This product is designed to be silent and does not have an alarm stopwatch function! This product does not reach the level of protection 3, and it may be broken even if it is dropped hard! *Suitable for learning to do questions and so on. Specification: *Product name: Keychain electronic watch *Size: 65*25*19mm *material: plastic *Color: white, pink, black, gray, blue, green *Power supply: AG10 battery Package Content: 1* Keychain electronic watch (delivered with battery) notes: 1. Due to various factors such as monitor brightness and light brightness, the actual color of the item may be slightly different from the image displayed on the website. 2. Manual measurement data may have slight deviations.