Smart Watch Heart Rate Monitoring Bluetooth Calling

Product information:
Color: Silver glue, vinyl, silver leather, black leather, silver steel, black steel, only foreign trade version
Packing List: watch, charging cable, instruction, packing box
Applicable people: Ladies
Operation mode: touch button
Screen Type: TFT screen
Battery life: less than 7 days
Functions: step counting, heart rate monitoring, Bluetooth calling, NFC function, smart reminder, remote control selfie, sleep monitoring, blood oxygen detection
Chip: Ruixian 8762DK
Flash memory size: 128MB
Andiord system: Supports Android 4.4 and later
Ios: Apple ios 10.0 or later
Heart rate sensor: Zhanheng BD1662 I2C
Bluetooth: dual Bluetooth 5.0
Waterproof level: IP67 (true)
Product process: zinc alloy IML
Screen size: 1.5-inch Full Circle (real)
Screen decomposition rate: 360*360 (real)
Screen Type: IPS full-view color screen
Screen material: TFT
Total length of wristband: 260mm
Wristband material: Belt, steel belt, tape
Battery Type: lithium battery
Battery model: 551833
Battery Voltage: 3.7V
Battery capacity: 320mAh
Battery life: 4-5 days for normal connection, 10-15 days for standby, (connection usage depends on personal usage
Charging Method: wireless charger
Charging time: about 4 hours