Warning: Please confirm which product you want to buy, and then place the order, appreciate that.Material: Soft SiliconLength: 26cm/7.5inchDiameter: 4.5cm/2.5inchPowered by: rechargeable battery build-in, you can use 3 hours after fully charge. Please do not use it when you charge the massager.Features:Multiple speed: 8 kinds of frequency.So quiet and blow 38 db.Waterproof design but do not immerse the massager in waterReleasing stress and promoting blood circulation. Each and vibration down to tighten the muscles, pain and stress disappear. Relieve muscle aches, effectively improve chronic pain. Packing Content:1x Massager Stick.1x USB Charging Line.No Chargers include.Private and safe packaging in a box.