Featuring ColourSure™ technology, OneTouch Verio Flex™ shows arrow pointing to whether result is low (blue), within range (green), or high (red). Meter's ranges can be customized to each person's blood sugar target range, as recommended by their healthcare provider. Requiring just 0.4 µl of blood which can be applied to either side of test strip, meter includes Bluetooth® wireless technology for patients seeking connectivity with iOS and Android devices.