Excellent Ergonomic Design: The smartwatch features a 1.83", high brightness full touch display with a resolution of 240*284 for a great visual experience. With a lightweight and super soft breathable strap, the watch gives a comfortable wearing experience 100+ Sports Modes Burn Fat: High-precision motion sensor, accurate recording, completely fall in love with the thrill of sports sweating Call Anytime: Make, answer, reject calls, Bluetooth calls. Using high-quality speakers and high-end acoustic technology AM sound quality, makes calls clear HD 3D Sound Quality More Shocking: Whether you are talking or playing music, you can restore High-fidelity 3D sound quality Smart Voice: After the watch is bound to the APP, click the voice function on the menu screen to perform voice command operations. Make a phone call, check the weather, ask for an address, ask for a route, and check a hotel. Wake up your smart voice assistant anytime Specifications: Waterproof IP67 Outlook & Material Plastic ABS+PC case+anti-static silicone strap Chipset JL 7012F6 LCD style TFT Screen LCD Resolution 240*284 Screen Size 1.83-inch square screen Touch Panel Full-screen touch ROM+RAM RAM: 578KB External Memory 64Mb G-Sensor SC7A2O Bluetooth Version 5.2 Mobile APP-GPS YES Heart rate sensor HX3600 Vibrator YES Battery Type Polymer Battery Battery Protection Board Seiko Board Battery Capacity 230mAh Charging time 2.5-3 hours