Porodo Lifestyle Hot & Cold Portable Massager With 4 Types Of Professional Massage Heads -Cat Ear|Multi Point|Sharp Point|Airbag Slow Flushing Massage Head -Rated Power: 27W Max -1800mAh Built-In Battery -2-3 Hours Working Time -3200R Auto-Intensity -Use Environment: 0-40 C -Type-C Charging Port -Hot & Cold Strength Level: 3 Gears -Massage Intensity Level: 8 Gears