TIANI™ Harmony is a couples massager that can be used with an app. With two motors that offer intense vibrations during intercourse, its insertable part is soft and provides pleasure to both, while the external part is designed for clitoral stimulation. Characteristics: - DOUBLE THE POWER: Two motors with powerful vibrations that offer internal and external stimulation. - GREATER RANGE OF INTENSITIES: Experience different levels of satisfaction with 10 intense modes of pleasure. - CONTROLLED BY APP: Connect and control your device via Bluetooth for more pleasure. - FULLY SUBMERSIBLE AND USB RECHARGEABLE: Perfect for the bath or shower, with more power and less noise. Technical characteristics: - Materials: PC, ABS and biocompatible silicone - Size: 45 x 30 x 90mm - Weight: 48g - Battery: Li-ion 3.7 V 200 mAh - Charge: 2 hours at 5.0 V 200 mA - Usage time: Up to 2 hours - Standby: Up to 90 days - Frequency of vibration motor 1: 208 Hz - Frequency of vibration motor 2: 161 Hz - Interface: 1 button - Modes: 4 (default), up to 10 can be set via app