Most listings describe rechargeable lithium‑ion batteries and include USB charging. Descriptions mention both standard USB cables and magnetic USB charging cords included with many models.
Listed runtimes vary by model and setting; examples in the listings range from about 1.5 to 3 hours of use per full charge.
Many models list around 10 vibration settings. Some multi‑ended designs list five settings per end, and one listing describes separate control modes that cycle through 11 and 12 settings. A heat setting is mentioned in one description.
Common material and safety terms across the listings include phthalate‑free, hypoallergenic, BPA‑free, and latex‑free.
Common extras include USB or magnetic charging cables (many listings note a cable is included). At least one listing also mentions a travel/storage bag.
