Y2 EMS Pulse Hot Compress Lumbar Massager Multifunctional Voice Broadcast Massage Belt Features: 1. 9 modes to deal with various waist problems. Each mode has 16 levels of intensity adjustment. 2. Dual-motor vibration massage accelerates blood circulation and quickly relieves tightness and soreness in waist muscles. 3. Red light irradiation technology penetrates deep into the tissue for deep relaxation. The wavelength of red light penetrates the surface of the skin and directly acts on the lumbar spine. 4. 360° floating massage, 3D floating massage head, better fit the skin 5. Adjustable belt to adapt to different waist sizes and will not deform after long-term use 6. Vibration reminder, sensitive response, more secure operation 7. Remote control buttons, simple and convenient, easy to operate Product parameters: 1. Function: pulse + vibration, 42â hot compress, wireless remote control, 16 levels of massage intensity, 9 massage techniques, voice broadcast 2. Massage mode: 9 modes 3. Gear: 16 gears 4. Massage principle: vibration, magnetism 5. Timing: Intelligent timing 15 minutes 6. Input power: 4W 7. Charging method: USB interface 8. Charging voltage: DV5V 9. Remote control battery: CR2032 button battery x 2 (shipped with battery) 10. Battery capacity: 2000mAh lithium battery 11. Charging time: about 3 hours 12. Product size: 194 x 105 x 49MM 13. Product weight: 296 grams