HK21 New Smart Watch AMOLED Screen Bluetooth Call Voice Assistant Heart Rate Blood Pressure Multi-Sport Bracelet

Bracelet Size 47.8*38.5*10.9mm Weight 37g Color Black, silver Main Function Mor function Bluetooth Call, Voice Control, Always-On Display, Stock Market, Games, NFC, Stress Test, Breathing Training, Calendar, World Clock, Calculator, Password Unlock, Custom Dial, Weather Forecast, Music Control, Step Counter, Heart Rate, Sleep, Sedentary, Mileage, Blood Oxygen, Blood Pressure, Search, Calories, Message Push. Chipset Supplier Jerry Chipset 7012F6 APP CO-FIT Compatible System Android 4.4 or above, IOS 9.0 or above FLASH memory RAM: 640KB, ROM: 2MB Flash: 64MB Type AMOLED Screen size 2.01inch Pixel Resolution 240*296 Touch Type Full Screen Touch BT BT5.3 WIFI No NFC Gravity Sensor G-Sensor Gyroscope No Heart Rate LC11S GPS No Battery Type Lithium Polymer Capacity 250mAh Charging Method Magnetic Charging Waterproof LevelWaterproof Level IP67 Charging Time About 2 hours Battery Life Use for about 5-7 days, standby for 30 days Product language English, Simplified Chinese, Turkish, Russian, Spanish, Italian, Portuguese, German, French, Dutch, Polish, Czech, Hungarian, Slovak, Japanese, Danish, Finnish, Norwegian, Swedish, Thai, Hindi, Vietnamese, Arabic, Indonesian, Hebrew, Bengali, Romanian, Croatian, Malaysian Message Notification Language Text display Wristband size Total length 220MM, adjustable length 145-190MM Appearance Material Main body: Zinc alloy + Tempered glass Wristband: Silicone watch strap