Connected Watch - Universal - Bluetooth Called Smartwatch IP67 Waterproof 1.54 inch IPS Color Touch Screen Heart Rate Monitor Smartwatch | Smartwatch (Black) Highlights Universal Bluetooth Called Smartwatch IP67 Waterproof 1.54 inch IPS Color Touch Screen Heart Rate Monitor Smartwatch | Smartwatch (Black) Bluetooth Calling SmartWatch IP67 Waterproof 1.54 inch IPS Color Touch Screen Monitor Smart Watch | Smart Watches (Black) Features Bluetooth call (receive/call), heart rate monitor, blood pressure monitor, blood oxygen monitor, step tracker, calorie burn tracker, sleep tracker & Steps, exercise tracker, daily step goal, real-time pace & Distance, Goal Celebrations, Reminders to Move, Smartphone Notifications, Countdown & Stopwatch, alarm clock, multi-watch faces, wrist detection, music control, move take photo. Features black color Main body Size: 43*37*11mm Weight: 38g Strap length: 120mm (long), 75mm (short) Strap width: 20mm Display: 1.54'' IPS color touch screen Resolution : 240 x 240 px Sensors: heart sensor, proximity sensor, accelerometer Bluetooth version: Bluetooth 5.0 + Bluetooth 3.0 Battery: 240 mah Charging time: 1.5 hours Battery life: 10 days (basic monitoring mode ); 7 days (daily use mode); 220 minutes (Bluetooth call modes) Water & Dust Proof: IP67 App: Da Fit Compatibility: Android 4.4 or iOS 9.0 and above App Application: English, Portugus (Brasil), Portugus (Portuguesa), , Espaol, Italiano, English, Deutsch, ,, Arab