TIANI™ Harmony is an app-connected couples massager with two motors that work in unison to enhance the sensations of both partners during sex. The smooth, insertable tail is worn by the woman and brings pleasure to both partners, while the larger top brings satisfying vibrations to the clitoris. DOUBLE THE POWER: Two vibrating motors provide dual sensation inside and out. WIDER RANGE OF INTENSITIES: Experience different levels of satisfaction with 10 powerful pleasure settings. APP-CONTROLLED: Connect and control your device via Bluetooth for extended pleasure. FULLY WATERPROOF & USB RECHARGEABLE: Perfect for the bath and shower, with more power and less fuss. SPECIFICATIONS: Material: PC+ABS, body-safe silicone Size: 45 x 30 x 90 mm Weight: 48 g Battery: Li-ion 3.7 V 200 mAh Charging: 2 h at 5.0 V 200 mA User Time: Up to 2 hours Standby: Up to 90 days Vibration motor 1 frequency: 208 Hz Vibration motor 2 frequency: 161 Hz Interface: 1-button Modes: 4 (Default), can be configured to 10 by APP