K7 Mibro Official A2 Smartwatch 1.39" HD Screen Sport BT Call Watch Dual

Specifications: -Battery capacity:350mAh -Charge type: Magnetic -Material:Metal + (PA+GF) + silica gel/Woven -Diameter:45.17mm -Case thickness:11.4mm -Band Width:22mm -Strap length:257mm -Weight: 47g(with Strap) -2ATM Waterproof Battery: Basic mode: 50 days Daily mode: 10 days Bluetooth Version: BT 5.3 Compatible: Android OS 5.0 amp; iOS 10.0 SRAM 32Mb+SROM 4Mb External ROM 128Mb Apps Name: Mibro Fit Features: -Reminder: Bluetooth Calling Watch,Call Reminder, Call Rejection, Message Reminder, Information Reminder -Healthy: All-day-round heartrate monitoring,SpO2 measurement,Sleeping monitoring -Language: Supports 26 languages -Sensor: Accelerometer，Heart Rate Sensor，SpO2 Sensor -Screen size: 1.39 inch -Type: TFT