Hands-free Calling 1.43 Inch 2G + 32G Android WiFi Smart Watch With 4G SIM Card Slot 780mAh Battery

Hands-free Calling 1.43 Inch 2G + 32G Android WiFi Smart Watch With 4G SIM Card Slot 780mAh Battery. Description. CPU: SC8541E. Operating system: Android 8.1.0. Screen: 1.43-inch AMOLED screen. Resolution: 466 x 466. Memory: RAM: 2GB; ROM: 32GB. SIM card: independent standby, hands-free calling, Nano SIM. Supported frequency bands: GSM: 850 / 900 / 1800; WCDMA: B1 / B5 / B8; LTE-FDD: B1/B3/B5/B7/B8/B20; LTE-TDD. B34/B38/B39/B40/B41 (100MHz) Camera: 2 million. WIFI: WIFI: 2.4GHz 802.11b\g\n. GPS: Support GPS / Beidou / Granus / AGPS / LBS / WIFI. Heart rate: Zhanheng 1662. Pedometer: Support. Data interface: Pogo PIN 4pin USB. Battery: 780mAh polymer lithium battery. Standby time: 3-5 days. Menu bar: phone, contacts, text messages, settings, heart rate, blood oxygen, breathing training, browser, camera, gallery, calendar, alarm, music, recording, iFlytek AI voice, NFC (access lock), dial market, one-click drainage, heart rate monitoring, blood oxygen monitoring, blood pressure monitoring, exercise, weather, mobile assistant, application market, system optimization. Air upgrade: support. Watch head. Product.