Brand: KingWear Type: Watch Phone CPU: MTK2502 RAM: 64MB ROM: 128MB External Memory: TF card up to 16GB (not included) Compatible OS: Android,IOS Description Main Features: Phone book, message sync With independent SIM card slot to achieve phone functions, the smartwatch can sync your contacts and message 1.3 inch touch screen 1.3 inch IPS touchscreen, very hard and anti-scratch, the combination of high quality and fashion Sleep monitor Can effectively monitor your sleep quality, including your sleep times and sleeping depth, which helps you to develop a healthy lifestyle Pedometer The smartwatch can record your steps, distance and calorie consumption to get enough exercise at the same time to avoid overexertion Sedentary reminder Prolonged sitting is a common problem for office worker groups. Wearing this smartwatch, it can be set a period time to remind you to take a break for relaxing your body Compatible OS: support iOS and Android OS Note: please note that some functions cannot support iOS for now Specification: Network Wireless Connectivity: Bluetooth,GSM Network type: GSM Frequency: GSM850/900/1800/1900MHz Bluetooth Version: V4.0 Display Screen type: Capacitive,IPS Screen size: 1.3 inch Screen resolution: 240 x 240 Camera Camera type: No camera Connectivity SIM Card Slot: Single SIM Media Formats Picture format: JPEG,PNG Music format: MP3 Video format: MP4 Languages Languages: English, French, Spanish, Russian, German, Italian, Portuguese Additional Features Additional Features: 2G, Alarm, Bluetooth, Calendar, MP3, People, Waterproof Functions: Anti-lost alert, Heart rate measurement, Message, Pedometer, Remote Camera, Sedentary reminder, Sleep monitoring Package Contents Smartwatch Phone: 1 Battery: 340mAh Built-in USB Cable: 1 English Manual : 1 Dimensions Product size: 30.00 x 4.50 x 1.39 cm / 11.81 x 1.77 x 0.55 inches Package size: 12.00 x 12.00 x 9.00 cm / 4.72 x 4.72 x 3.54 inches Product weight: 0.0680 kg Package weight: 0.2700 kg Note: This watch phone will only work with GSM networks: GSM 850/900/1800/1900MHz Unlocked for Worldwide use. Please ensure local area network is compatible.