The built in mute motor keeps this machine quiet so you can listen to your submissive's breath overwhelming her. Made from silicone and durable ABS, this device can be put on your submissive's nipples or clit, and comes with attachments so you can insert it inside her and create a vacuum. It can be recharged using the provided USB cable and is water proof. There are 10 sucking modes and 3 intensity modes with a usage time of up to 90 minutes.