The product size is manually measured, and the size measured by each person may be slightly different. An error of less than 1cm is a normal phenomenon. If you mind, please do not place an order. Thank you for your understanding Images on this page are for illustration only and the design of theactualproduct may differ. ***All data on this page regarding charging and battery life and Usage timeis obtainedfrom laboratories, and may not reflect the actual product.Actual usage results may vary due to environmental factor