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KW7（4G）
Chipset：SL8541E
Compatible system：Android 8.1
Flash memory：1GB+8GB
Screen ：1.69inch，IPS， 240*280，G+F OGS/2.5D
Cam ：Front 0.3M
Waterproof level：IP67
APP： MiwiTracker
Bluetooth ：BLE4.2
NFC：13.56MHz / 2.4G RFID
WIFI：Support
GPS：GPS/Beidou/WIFI/ LBS
g-sensors：Support
Heart rate：Support
Capacity：680mAH，
Battery type： Lithium polymer battery
Charging method ：Wireless charging
Charging time：150 minutes
Battery life：7 days
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Product model KW7 Hardware parameters Solution provider APP MiwiTracker Main control chip CPU SL8541E Compatible system Android 8.1 Flash Memory 1GB+8GB Screen type IPS Screen size 1.69 inch Touch screen IC/type 240*280 Touch screen IC/type G+F OGS/2.5D Camera Front 0.3M Unit weight 53g Case material ABS+PC, UV ink Keys 2 physical keys (on/off and SOS) Connection parameters Bluetooth BT4.2 WIFI Support NFC 13.56MHz / 2.4G RFID Sensor Acceleration sensor gsensors Support Heart rate Support Body temperature NTC heat conduction temperature measurement GPS GPS/Beidou/WIFI/ LBS Battery Battery type Polymer lithium battery Capacity 680mAH Charging mode Wireless charging Other parameters Waterproof rating IP67 Charging duration 150min Endurance 7days Standby power consumption 70uA minimum Charger specifications DC 5V Other Supported functions Sports tracking (3D sensor), heart rate detection (heart rate sensor), body temperature detection (NTC heat conduction temperature measurement), step counting, alarm clock/timing, shutdown alarm, low power alarm, GEO fence, movement track, and positioning frequency setup. Firmware language Firmware language of the product is optional (Chinese, English, Spanish, Portuguese, German, Italian, French, Russian, Japanese, Polish, Vietnamese, Korean, Arabic, Hebrew, Thai, Croatian, Turkish, Czech, Dutch, Indian, Malaysian, Finnish, Greek and Romanian). English is the default language from the factory
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