NO.1 F13 Smart Watch Real-time Heart Rate Monitor Outdoor Wristband- Gray Music & Performance 2 x Mercury switches

2 x Mercury switches

One Key Follow

You can not only sweep the floor but also polish your floor with the mopping pad

20 x Inner Hex M3 x 10mm Screws

it is the small and comfortable size

NO.1 F13 Smart Watch Real-time Heart Rate Monitor Outdoor Wristband- Gray Music & Performance 2 x Mercury switches50 meters waterproof TFT Color Waterproof SmartwatchDustproof Anti pressure Shockproof Waterproof Scratch resistant Corrosion resistant 50 meters Deep waterproofHighly sealed, 50m waterproof standard works well in harsh environments DesignTPU strap 3D spherical sapphire mirror Multi function button Multi Sport ModeBadminton Basketball Mountaineering Cycling Running Swimming Table Tennis Pedometer Multi dialEasy to operate Multi dial Color Screen HD