Feature: 100% new brand and high quality Material: Medical grade Silicone,ABS Design: Ergonomic C-type ,easy to use Vibration Setting: 9 vibration modes Power Source : USB rechargeable Battery Capacity: 140mAh Charging time: 4h Working time: 1-1.5h Size:3.50inx1.65in Color: purple Noise Level: less than 40db Waterproof Level: IPX7 Waterproof,easy to clean，but don't soak in water for long time Package: discreet shipping,not any sensitive words on package Package List: 1 x Penis ring without box 1 x USB charge cable 1 x User manual Charging Demonstration (1 Connection the USB cable to PC or adaptor, the other plug in the charging port. (2 When charging, the light flashing under the key, finish charging the light routine brilliant. (3 When charging, vibrator with no function Notice: 1. Clean before and after every using. 2. Do not use cleaners containing alcohol, petrol or acetone 3. Do not place item in boiling water or soak in water for a long time 4. Do not use on swollen or damaged skin 5. pls get full charged before first using.