Body length: 17CM / 6.7 inchInner space length: 13.2cm / 5.2 inchBody outer diameter: 4CM /1.57 inchBody inner diameter 3.5CM / 1.38 inchAdjustable waistband for size: 66-125cmCharging: USB chargingWorking mode: 10 frequency modesMaximum noise: <;;40 dBWaterproof performance: IPX7Not any sensitive words shown on the packaging.Seller Promise *Updating new items in our store everyday.*We guarantee that the goods have subject to rigorous quality checks to ensure that the goods you receive with good quality.All items are professionally packed with great care to ensure safe delivery.*If there is product quality, or parts incomplete so long as you are able to present the relevant explanatory materials, we will provide you with return service.*Responding every single problem that you met in short time ASAP and do everything in reach to solve them ,do our best to let every customer be satisfied with our items and service.*Being totally honest with everything you want to know, no lies between seller and customer. Feedback We deeply hope that you are pleased with your purchase from us.Our job is to make your purchasing be a worry-free experience. Our goal is customer satisfaction!Hope You Enjoy Your Shopping,thanks a lot.
