Hardware parameters BLE MCU：JL7013A6
G-sensor：3 axis
Heart rate：Dynamic heart rate
Motor：Flat motor
Trumpet：Waterproof horn
Touch screen：Full screen touch
Screen size：1.19 inch AMOLED
Screen Resolution: 390*390
Storage：FLASH 128M
Power supply Operating Voltage：3.8V
Battery capacity：200mA
Charging voltage：5V
Recharging current：≥500mA
Standby time：Approximately: 20 days
Operating hours：Use call- about 3 days;Not using cal-about 6 days
Battery Type:Polymer rechargeable lithium battery
Charging method:Wireless charging
Charging time:2-3 hours
Structural parameters Waterproof level: IP68
Screen cover: High hardness glass
Middle frame material:kirsite
Bottom shell material: PC+ABS
Wristband material: Silicon strap
Wristband size:  16mm
Fits wrist circumference: 150-195mm
Clasp, Liza: 304 stainless steel
Body size (L x W x H) mm: 38*11.80mm
Basic functions Time and date display, 12/24 hours system
Rotate button + press function
Multiple dial switching
Weather forecast
Battery level display
Flip wrist light screen