Product name:Thumb Counter Product size about : 2.8*2.4cm/ 1.1*0.9in Battery: AG10*1 Product color: As shown in the figure Product material:Polyester product features: 1. Convenient counting function: This counter adopts a push-type design, which is convenient and fast to count, especially suitable for scenes that require frequent counting, such as fitness, teaching, and activity management. 2. Zero setting: Long press the counter button to easily reset to zero, ensuring that you can start accurately in each new counting cycle, improve work efficiency, and avoid the trouble of repeated counting. 3. Small and portable: The exquisite design can be worn comfortably on the thumb, does not take up space, and the counter can be used anytime and anywhere, which is very suitable for outdoor activities and daily carry. 5. Multi-scenario application: Whether in sports, classroom, speech or daily affairs, this counter can meet your needs. It is a powerful assistant for various counting activities and is very popular. (Please note that this product is not waterproof) Precautions: 1. As we all know , the different computers display colors differently, the color of the actual item may vary slightly from the following images. 2. If you feel difficult to choose the size, you can at any time. We will give you some suggestions, but for your reference only. Shipment includes: 1 pc Thumb Counter Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.