H9 Smart Watch Calculator Bluetooth Calling IP67 Waterproof Heart Rate Games 20 MM Silicone Strap

---- Best Gift ---- -Android and iOS phones can use our watches with confidence! -We sell our products in over 20 countries and over 30 million people have used the watches we produce. -We have independently designed and produced more than 30 wearable devices, and we are committed to enabling users to buy more cost-effective smartwatches. -We have more considerate after-sales service and are responsible for all product quality issues. ---- Technical Information ---- Model: H9 Screen size: 2.01 inches Screen resolution: 240*296 Screen material: TFT Battery capacity:200mAh Usage time:2~3 days Standby time:7 days Supported Systems:Android 5.0 or above, iOS9.0 or above Supported Languages: English (default), Spanish, Portuguese, Simplified Chinese, French, Polish, Italian, German, Dutch, Turkish, Russian, Czech, Farsi, Hungarian, Greek, Arabic, Filipino, Malay, Indonesian, Vietnamese, Thai, Kiswahili, Finnish, Ukrainian Product Packaging 1 * Smartwatch 1 * Silicone strap 1 * USB charging cable 1 * Instruction manual Instructions for use: -For the best functional performance, please download the APP through the QR code attached to the watch and connect the watch to your phone, if you don't know how to connect, please contact us. -Blood pressure, heart rate, oxygen and sleep monitoring information is approximate and therefore should not be used for medical or therapeutic purposes. Tattoos may affect sensor performance. For proper measurements, use a specialized or high-precision measurement system and consult your physician. -To prevent the watch battery from going dormant, you can reboot the watch after receiving it and then fully charge it, and try not to drain the watch while using it. If the battery has gone dormant, you can try to charge the watch with the USB port of your computer to activate the battery. -If you encounter any problems during the use of the watch, please do not worry, you can contact us to help you solve the problem.