Main Features: KingWear KW88 Pro 3G Smartwatch Phone 1.39 inch Android 7.0 MTK6580 Quad Core 1.3GHz 1GB RAM 16GB ROM Sedentary Reminder Bluetooth 4.0 350mAh Built-in ● Nano SIM Card / Bluetooth Phone Call / Answer You can dial or answer a phone call from your wrist watch ● Message Effortlessly send / receive messages to have a good interaction with your friends ● Phone Book / Call Log / Message Sync Easily realize information synchronization with your universal smartphone, more convenient to users ● Bluetooth Music Playing Enjoy splendid music anywhere and anytime ● 1.39 inch AMOLED HD Screen, 400 x 400 pixels Best suitable screen size with high definition picture displaying gives you a great experience ● Pedometer Record the steps you take and count the distance to make you fully control your sports ● 2.0MP Camera You can freely take photos by using the camera of the watch or remote control your universal smartphone ● 350mAh Li-lion Battery You can use your smartwatch phone to call, take photos, play QQ or WeChat about 3 days ● Sedentary Reminder Function Monitor your health at all times and remind you to work properly and exercise properly Networks: ● GSM 850 / 900 / 1800 / 1900MHz ● WCDMA: 850 / 1900 / 2100MHz Brand: King Wear Type: Watch Phone OS: Android 7.0 CPU: MTK6580 Cores: 1.3GHz,Quad Core RAM: 1GB ROM: 16GB External Memory: Not Supported Compatible OS: Android,IOS Wireless Connectivity: 3G,Bluetooth 4.0,GPS,GSM,WiFi WIFI: 802.11b/g/n wireless internet Network type: GSM+WCDMA Frequency: GSM 850/900/1800/1900MHz WCDMA 850/1900/2100MHz Support 3G : Yes GPS: Yes Bluetooth: Yes Bluetooth Version: V4.0 Screen type: AMOLED Screen size: 1.39 inch Screen resolution: 400 x 400 Camera type: Single camera SIM Card Slot: Single SIM TF card slot: No Speaker: Supported Picture format: GIF,JPEG,PNG Music format: MP3 Video format: MP4,RM MS Office format: Word Languages: English, French, Russian, Vietnamese, Polish, Portuguese, Hebrew, Turkish, Arabic, Italian, Farsi, Japanese, Korean, Thai, Bengal, Burmese, Indonesian, German, Spanish, Chinese Simplified, Chinese Tradition Additional Features: 2G,3G,Alarm,Bluetooth,Browser,Calculator...,Calendar,E-book,GPS,MP3,MP4,Notification,Sound Recorder,Video Call,Wi-Fi Functions: Anti-lost alert,Facebook,Heart rate measurement,Message,Music Sync Function,Pedometer,Remote Camera,Sedentary r