kegel balls exercise with app control, pelvic muscles exercises & bladder control, ben wa balls smart app kegal balls for women beginners & advanced joyme kegel ball for woman size:7.2 x 3.3 x 1.3inch material: medical silicone battery: lithium battery noise: max 45db waterproof one motor with 9 vibration modes how to operate: app download and install ios system: 1.search forlevettin the app store and download and install it. 2.scan the qr code in the lower right corner with your mobile phone and download and install thelevettapp prompted as prompted. android system: 1.scan the qr code in the lower right corner with your mobile phone and download and install thelevettapp as prompted. 2.search forlevettin google store,download and install it(user can use google store recommendation to download this method). connect device 1.connect the device afer the first login. 2.click+,the device connecting scan box will appear. 3.scan the equipment identification code on the product box or instruction to add the equipment. 4.long press the device icon to delete the device or modify the device name. app mode: support touch,music,hand shake,remote and cloud mode. support: android or ios,bluetooth. global sharing platform - app allows you to create, download and share vibration patterns. package including: 1 x kegel ball 1 x charge usb cable 1 x instructions 1 x fabric cloth sack 1 x socket magnetic charger use method: 1. clean the kegel ball 2. use some water soluble lubricant 3. lie down and relax body,find your pelvic floor muscle(pc muscle) and insert the kegel ball. 4. 30 minutes of training every day, when you walk, dance or go swimming. attention: keep the item in a dry and safe place away from children.