You could dial/answer phone calls and talk via the smart watch even supports contacts and call records stored on the watch. Much more accessible and more convenient to dial, answer, and hang up phone calls. You will never miss any important call or message. You can stay connected to your family, friends, music, notifications, and more. Please notice that the watch does not support reply messages. Answer the calls on the smart watch speak via the watch, answer the calls on the phone speak via the phone. The channel will be changed by your behavior automatically. It totally depends on you. It is very convenient to answer the phone call on the watch, especially when cooking, running, riding, or driving. Built-in voice assistant which taps the smart screen on AI VOICE mode to wake up and control your phone via the smart watch. You will find the function when you swipe right at the middle bottom on the main screen after the setting of swipe down on the main screen and tap the middle right icon to change the mode from honeycomb to 9 palace grid. How to connect the smart watch (connect 2 times) 1) Turn on the Bluetooth of your smartphone; 2) Open the downloaded App: Da Fit and connect (TO ADD) the smart watch (Device Name: B105) from the App after inputting your information ; 3) Connect the smart watch (Bluetooth Name: Audio_B105) from the cell phone by Bluetooth. Long-lasting Battery Life Charging time: 2hrs; Working time: 7-10 days; Standby time: 30 days. A 2ft charging cable gives you more convenience. (Notice: Please make sure the charger and smart watch were connected properly, or it will not charge.) Smart Watch Smarter Screen Just raise your wrist or tap the screen to wake up the smart watch; Long press to change the watch face; Remote control of the phone's camera; Music control(Play/Pause/Next/Last Song). IP68 Waterproof Designed for IP68 waterproof rate, so you do not need to worry when you wear it while swimming or sweating out. (Notice: Do not wear it in water higher than 104℉, such as in showers, saunas, spring, etc.) Set Heart Rate Alert Such As 185 BPM in App Keep From Accident Happen Free Training Lessons Built-in App 1.7'' Phone Call Watch 1.83'' Phone Call Watch 2.01'' Real-time HR Watch 1.32'' Real-time HR Watch 1.95'' Game Watch 1.32'' Built-in MP3 Watch Add To Basket Add To Basket Add To Basket Add To Basket Add To Basket Add To Basket Customer Reviews 4.1 out of 5 stars 1,690 3.8 out of 5 stars 30 4.0 out of 5 stars 124 3.8 out of 5 stars 72 4.7 out of 5 stars 10 3.6 out of 5 stars 630 Price £21.79£21.79 £19.99£19.99 £22.99£22.99 £36.99£36.99 £29.99£29.99 £26.99£26.99 Color Option Black/Blue/Rose Gold/Starlight Gray Pink/Black/Starlight Silver/Blue/Gold Black/Rose Gold Black/Siliver+Black Case Material Metal Case Metal Case Plastic Stainless Steel Metal Case Metal Case Strap Width 21mm 22mm(Universal) 22mm(Universal) 24mm(Universal) 22mm(Universal) 22mm(Universal) Screen Size 1.7inch 1.83inch 2.01inch 1.32inch 1.95inch 1.32inch Resolution 240x280 240x284 240x296 360x360 320x385 360x360 Watch Face 460+ 250+ 260+ 30+ 120+ 100+ Bluetooth Phone Call ✓ ✓ ✓ X ✓ ✓ Sport Modes 28 110+ 110+ 24 120+ 28 Real-time Heart Rate X X ✓ ✓ X ✓ Item Weight 53g 45.5g 38g 75g 42g 73g