Ready to reach a new heights in temperature play? The Deia Hot Cold massager can get you there! This temperature-changing and vibrating massager creates unique sensations for both external and internal stimulation. Tailor the experience to you or your partner by mix and match the hot and cold temperatures with a variety of vibration settings that this device has to offer. It is made with body-safe silicone, waterproof, and easy to clean and store. Features: Temperature control creates a variety of unique sensations for both external and internal stimulation. Mix and match hot and cold temperatures with 10 vibration settings to experience 32 different sensations. Ultra-soft and smooth body-safe silicone. Includes: device, storage bag, magnetic charging cable, instruction booklet. USB rechargeable. Charge Time:180 minutes. Use Time:80 minutes. Dimensions: Overall Length - 8.51 inches. Width - 1.57 inches.