**[Product Name]**
CASIO STR300J2CJH PHYS Wristwatch Sports Fashion Accessories
**[Brand Introduction]**
Casio is a renowned Japanese watch manufacturer established in 1946, well-known for its reliable products and innovative technology worldwide. The brand offers a diverse range of products suitable for various situations, establishing a strong reputation among consumers.
**[Product Description]**
The CASIO STR-300J-2CJH model is a dedicated sports watch of 'PHYS' equipped with the 'Tough Battery 10', which has a battery lifespan of about ten years. It features a blind-operation structure for easy button operations during training and includes a 60-lap memory and countdown timer. The automatic LED backlight illuminates with just a tilt of the wrist, making it convenient to check the time in dark environments.
**[Usage Instructions]**
This watch includes various functions beyond the standard features. You can easily record different data by pressing the buttons conveniently while using. A detailed user manual is included with the product.
**[Caution]**
Please take care to avoid water immersion and external impacts. Prolonged exposure to water or strong impacts may cause malfunction. Also, please use a service center for battery replacement.
**[Authenticity Guarantee]**
We only deal in 100% authentic Casio products through our Japanese purchasing agency. We ensure speedy delivery of the latest products and guarantee 200% compensation in case of counterfeit items.
To request a return or exchange, please note that it is mandatory to provide a video of the unpacking of the package.