-- Model name: C20Pro-- Chip: Realtek 8763EWE-- Screen: 1.83 inch IPS HD Full Touch Screen-- Resolution: 240*286 Pixel-- Battery: 400mAh polymer pure cobalt battery-- APP:Da Fit-- Bluetooth:BT 5.0-- Waterproof grade: 2PIN magnetic charger-- NOTE:Support 123 types of exercise monitoringLanguage: English (default), Chinese, GerAdult, Korean, Spanish, Japanese, French, Russian, Arabic, Ukrainian, Italian, PortugueseNOTE:-- Since the product has been transported for a long time, please charge the product for 2-3 hours before use, and then check whether the product can be used normallyMain Functions:Bluetooth callCustom watch faceAI intelnt voice assistantSleep monitoringBlood pressure monitoringBlood oxygen monitoringHeart rate monitoringMulti-sport health monitoringCall SMS reminders-- More functions: Step meter, weather, camera control, music control, stopwatch, alarm clock, timer, sitting reminder, breathing training, calculator, brightness adjustAdultt, Mute-- Support Phone, SMS, wechat, QQ, Facebook, Twitter, Instagram, Skype,