Chess Timer USB Rechargeable Chess Timer Stopwatch with Delay Countdown Function, Suitable for Chess Chess Timer USB Rechargeable Chess Timer Stopwatch with Delay Countdown Function, Suitable for Chess Chess Game Timer Multifunctional Chess Timer Stopwatch with Delay Countdown Function, Suitable for Home Use Product Features: 1. Dual Power Options: This digital chess timer can be powered by batteries or a Type-C data cable, ensuring you can start playing anytime (batteries sold separately). 2. Multiple Timing Rules: Our professional chess timer offers 8 categories and 67 countdown, delay, countdown, and standard timing modes to meet various game types and on-site selection needs. 3. Customizable Presets: Easily change and modify preset values ​​to create a personalized timing experience; the various timing rules of the chess timer can be adjusted to meet your game needs. 4. Personalized Timing Settings: Program and save multiple timing rules for this board game timer. Each player can set their own rules, which are retained even after a power outage, simplifying setup for your next game.5. Multilingual Prompts: This countdown timer is suitable for gamers worldwide, supporting voice prompts in Chinese, Korean, Japanese, and English. It offers high, low, and mute volume settings to create a focused gaming environment.Specifications:Origin: ChinaMain Material: ABSColor: BlueDimensions: 150.00*85.00*73.00mm/5.91*3.35*2.87 inchesGross Weight: 500gPower Supply: DC 4.5V power supply (three AA batteries) or Type-C power adapter. Note: