Solar-Powered Chess Puzzle Device – 25,000+ Checkmate Puzzles | Rechargeable E-Ink Display, USB-C Charging, Mini Handheld Chess Trainer for Beginners & Pros, Lightweight & Travel-Friendly

Specifications

• How to Use – Charge using direct sunlight or a USB-C cable (not included); a full charge takes 2 minutes. The screen displays a chess puzzle—analyze the position and determine the best move. Press the button once to advance to the next puzzle or double-press to go back
• Solar-Powered and USB-C Rechargeable – Operates using solar energy or USB-C fast charging. A single charge lasts a full day or up to 100 screen refreshes, providing uninterrupted gameplay
• E-Ink Display for Clear and Comfortable Viewing – Features a 1.54-inch e-ink screen with sharp, glare-free visuals for a paper-like chessboard experience. Reduces eye strain and works well in all lighting conditions
• Compact, Lightweight, and Travel-Friendly – Weighs only 31g (1.44 oz) and measures 55x36x13mm. Designed for easy portability with a durable plastic-acrylic build for long-lasting use
• Perfect for Chess Players of All Levels – Helps improve pattern recognition and checkmate tactics. Ideal for beginners, casual players, and competitive strategists. A great gift for chess enthusiasts and tournament players