Features: 1. Host Remote Control Dual Operation, Convenient And Simple Operation 2. Magnetic Remote Control For Comfort 3. Soft Rubber And Spring Double Adjustment, Suitable For Different Sizes Of Neck, U-Shaped Design Is More Ergonomic, More Conform To The Neck Curve, Comfortable To Wear 4. Semiconductor Cooling And Heating, Turn On Cool Mode In Summer, And Choose Hot Compress Mode In Winter 5. Five Massage Modes: Vibrating Massage (2 Modes Are Divided Into Marquee/Resonance), Thermostatic Hot Compress, Electric Pulse Massage (Three Modes Are Divided Into: , Press, Pounding) 1. Working Voltage: DC5V/2A 2. Maximum Power: 10W 3. Charging Index: When Working, The Blue Indicator Light Is On, The Charging Red Indicator Is Flashing, And It Is Always On 4. Battery: 5000mah Polymer 5. Cold Compress: Three Gears (Drop 10-15C/Drop 7-10C/Drop 4-7C) 6. Hot Compress: 39C/42C In Three Gears Of Neck Measurement 7. Fan: Three Gears/45C; Spine 1st Gear 42C 8. Pulse Mode: Three Modes (Scraping, Pressing, Pounding) 9. Vibration Mode: 2 Modes (Marquee, Resonance) 10. Maximum Power: About 3 Hours 11. Charging Interface: Type-C 12. Battery Life: About 2.5 Hours 13. Control Mode: Host Button + Remote Control 14. Pulse Gear: 1-9 Gears 15. Charging Interface: Type-C 16. Battery: 5000mah Polymer 17. Size: 16.6 x 17.5cm Color: Pangu Green Material: ABS Package Contents: 1 x Hanging Neck Massager 1 Cord 1 x Remote Control 1 x Chinese And English Manual Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.