Top features about Rogbid Air, powered by dual system with long battery life

More features:
➤【850mAh polymer battery】the larger battery capacity of smartwatch phone, a distinguished leap in the battery life, daily using time up to 24 hours.
➤【Face ID】the word's first smartwatch with face recognition technology, 0.1s quick unlocking. The employed algorithm extracts 1068 facial features, unlocking your smartwatch just on a hand lift. Easy and convenient, better safeguards your privacy.
➤【HD cameras】5.0MP front camera is centered on the watch with the most reasonable viewing angle. Wear Ckyrin S21 to take a selfie or live chat with family and friends anytime, anywhere. The camera brings the coolest shooting experience.
➤【1.75 inch super large full touch screen】increases the display area by 15% compared with other top-end products of 1.75 inch display in the market, solves the problem of the applicability of third-party APPs. The IPS display of 320 x 385 resolution with pixel densities of 354 pixels per inch, crystal clear display brings you dramatically excellent viewing experience.
➤【4G global frequency band】it supports 4G networks of TDD LTE and FDD LTE, and is compatible with WCDMA, GSM and other bands in most countries and regions around the world. After inserting the Nano micro SIM card, you can enjoy high-quality voice calls through the VoLTE function.
➤【Android 9.1 OS】support all Google applications and support phones with iOS 9.0 / Android 5.1 above system. Users can also install any third-party APP in Google Play Store.
➤【9 sports modes】meet your different fitness needs. Including daily fitness and professional exercises, get accurate data for the broad needs of the sportspeople.
➤【GPS + GLONASS + A-GPS】independent GPS precise positioning and navigation system. Operate GPS in sport mode, to record your exercise routines accurately, and to display your exercise track in real-time on the map.
➤【Custom the watch face】users can choose watch face from the beautiful default sets, use photos, favorite pictures, or download online. A wonderful customized smartwatch phone is waiting for you.
➤【Support Google control】you can speak instead of typing. For example, if you ask how the weather is today, it will search out the local weather conditions for you.