EIGIIS 1.9-inch Military H31 Smart Watch with Text and Call(Answer/Dial), Rugged Smart Watch with Heart Rate and Blood Oxygen Monitor, Outdoor Tactical Bluetooth Smart Watches for Men Compatible with Android iPhone

【Military Standard Verification】Special composite materials and metal casings have enabled our android smart watch to pass dozens of standard tests including temperature, low pressure altitude, dust-proof, salt spray, liquid contamination, etc. Fully enclosed ultra-thin case designed for rugged outdoor sports smartwatches, rugged and drop-resistant, built-in components are not damaged by vibration. No matter how harsh the environment, our rugged smartwatches will be your reliable companions. 【1.91'' Ultra Large Screen & Personalized Dials】Men's military outdoor sports smart watch is equipped with a 1.91-inch TFT touch screen with a high resolution of 240x296, which provides you with a better visual experience and a smoother operating experience. you can customize the smartwatch face from your album for different occasions, the activity tracker is equipped with 350mAh battery capacity that lasts 5-7 days on a full charge and 25 days on standby. 【Bluetooth Call & Message Notifi