Lelo - tiani harmony - dual action paired massager (with app control) - blacktiani harmony is an app-connected vibrator for couples with two motors that work together to enhance the sensations of both partners during sex. The smooth, insertable cock is inserted into the vagina, which gives pleasure to both partners. The external arm provides satisfying vibrations to stimulate the clitoris. Tiani harmony has 4 standard pleasure settings that can be expanded to up to 10 settings with the lelo app.Wider Intensity rangedouble the power: 2 vibration motorsconnect and control the device via bluetoothincluded:tiani harmonyusb charging cablesatin storage baggaranty registration carddetailed user manual.