Discreet power. 7 pleasure rhythms. 7 illuminating LED colours. 100% waterproof. Fully rechargeable. Charges in just 2hrs at 5.0V 500mA. User Time: Up to 2hrs. Standby: Up to 90 days. USB Charger. 2 whisper-quiet motors. 100% Medical Grade Silicone and ABS Plastic. Non-toxic and free of phthalates. 2 Year limited warranty.