1.75-inch AMOLED spherical display: Uses an artificial spherical sapphire glass mirror surface, strong, transparent and wear-resistant Retractable rotating camera: 190-degree rotating camera-retractable hidden. Support front, rear, side shooting angle Support for Tik Tok and Twitter: With this watch, you can open Tik Tok and other apps at any time, anywhere and have unlimited fun Embrace Limitless Possibilities: Features advanced life waterproof technology, allowing it to effortlessly handle unexpected raindrops, kitchen splashes, or even the routine challenge of washing hands Smart talk phone watch: Support SIM card, answer/make calls can independently be completed on the wrist Specifications: Main Chip SL8541E ? Display 1.75inch? AMOLED 466*466 24pin BTB Touch Panel 1.75inch? oncell 466*466 COF RAM 3GB ? ROM 32GB Battery 1100mAh Two wire soldering, protection board Seiko 3.0V protection Loudspeaker 1508 Welded wire type ? Motor 0820 Welded wire type ? Microphone yes 4015 Welded wire type TF card socket No TF card slot ? SIM socket Cato type nano card Charge Port pogo PIN 4pin magnetic USB Jack no ? Indicator light no ? Front 200W GC2385 Rotatable camera Rear no no Wifi With wifi single band 2.4Ghz LDS antenna 2G B3+B8+B5 ? 3G B1+B5+B8 4G 4G_FDD: B1+B3+B5+B8??????????????????????????????????????? 4G_TDD: B38+B39+B40+B41 Bluetooth support V4.2 ? GPS with GPS NFC Supported. Common access control can be written ? Gravity sensor support SC7A22C/H Gyroscope no ? Heart rate sensor BD1820 ? Hall switch no ? The temperature no ? Power key yes ? function key yes ? Standby time N/A Normal service time N/A Phone support OS Adriod8.1 UI Customized dials Language Chinese/English/multinational