<p><em>Duet Flex</em> is a dual motor, USB rechargeable vibrator with 4 modes and 4 power settings. <em>Duet Flex</em> has the celebrated tip shape of the popular <em>Duet</em>, now with more flexibility at the tips! <em>Duet Flex</em> is very rumbly with much more surface area to contour to your body. It is fully waterproof and includes a travel sleeve. For external use only. No USB cable required.</p>
