We are professional in the various massager, now, we are very glad introduce hot & cold massager as follow *Unique thermal plate lets you enjoy either a hot or cold massage  *No-hassle cordless use and fully rechargeable batteries.  *Cold: Reach 10-15 deg. C in 1 minute(at room temperature 25 deg. C)  *Hot: Reach 40-50 deg. C in 2 minute(at room temperature 25 deg. C)  *2 vibrating massage intensities let you tailor your massage experience.  *Flexible neck automatically adjusts for those hard-to-reach areas.  *Charging Time: 7.5 Hours. Working Time: Over 30 Min.  Attachment: 1 * adaptor  Looking forward to hear from you in order to establish mutually profitable business relations.