cordless water flosser usb rechargeable mode different jet tips by soocas [SEP] the removable detachable water tank is not removable nor detachable i studied the user manual and no mention on how to remove it so you can clean itit does not come with an adapter so unless you have an extra you will be charging with your laptop fyi will not operate while chargingthe full water tank lasts for seconds of continuous flossinga full battery will last minutes before needing a recharge charging cleaning modes are gentle standard pulse massage high pressure water pulse water pressure make sure to not lose the little white tab that covers the charger port you will need it to keep it waterproof