Features: L-style scarf design;  Three massage heads;  Heating 42° С temperature;  TENS low-frequency pulse principle;   Feature: Cervical Spine Neck Massager / Neck Massager / Wireless Massager / Mia App Support / Rechargeable 240minutes continuous work-Type C charging cable included.  Type-C fast charging offers up to 3-4 hours working time. If you use it for 30 minutes a day, it can last for 8 days.  Work with Mijia App.  If the electrode pads are not in contact with the skin, they will automatically shut down after 60 seconds of operation to ensure safe use and save power.  Massaging points, adjustable speeds and circulation to help relax the soreness. Natural curve perfectly fits the human neck, comfortable and easy to wear.  Compact and lightweight, comes with a drawstring sack for convenient storage and transport. Built-in motor ensures steady output and lower noise.  Using the TENS low-frequency pulse principle to simulate the three major massage techniques of kneading, scraping, acupuncture, and automatic circulation mode.  Suitable for the neck, back, thigh, calf massaging, enjoy a massage at home, office or traveling.   Specifications: Name: Neck Massager;  Lithium battery: DC3.7V = 1400 mAh;  Quiescent current: less than 100uA;  Input: DC5V= 6 W;  Remote controller rated voltage: DC3V = 2032 button battery;  Size: (L)140mm *(W)85mm* (H)148mm;   Package Included: 1 x Neck Massager;  1 x Charging Cable;  1 x Remote Control