Military 2023 HD LCD Bluetooth Tactical Smart Watch

C21 Bluetooth calling smart watch WITH 15-GRADE MILITARY TOUGHNESS, FOR ADVENTURERS - Outdoor tactical smart watch supports heat resistance to 187.96°F, cold resistance to -103.78°F, 150 hours underwater at 20 meters, and 150 hours in a salt spray environment. The military smart watch adopts a micro-sandblasted metal frame and titanium body, the rugged watch brings enhanced IP68 water resistance, 50 meters drop and shock resistance, and anti-magnetic point features.  CALL ME NOW - Bluetooth smart watch built-in HiFi dual speakers and condenser microphone, supports Bluetooth dial, answer calls and play music. Turn on the Audio-mode in the watch, connect the Bluetooth named the ''C21 (Call)'' in your phone settings, then you can enjoy this convenience at once. (Note: you need to turn off the watch's ''Do Not Disturb'' mode before using this function) YOUR HEALTH, AT A GLANCE - Heart health is a top priority. Men smart watch equipped with 2022 newest enhanced biosensor core technolog