Details:
1. Size: about 32x30x10 cm
2. Weight: about 555 grams
3. Rated power: 5W
4. Rated voltage: 5V-1A
5. Charging port: Micro-USB
6. Battery capacity: 2200mAh
7. Packing list: inflatable pillow, data cable, manual, storage bag

Features:
1. Surrounding three-dimensional support, ergonomic ring neck arc
2. The drawstring lock is fixed, not easy to move back
3. Naturally support the back of the head after inflation
4. Convenient travel, care for the cervical spine at any time
5. Press the air release valve, press lightly, squeeze out the air volume instantly, and fold it for storage
6. Button settings, long press the power button (on/off), the green light turns on the working state
7. Intelligent automatic inflation, one touch, fast inflation in 60 seconds, freely retractable
8. The nanocomposite material heats up, promotes blood circulation, and improves the brain's insufficient blood supply and oxygen supply
9. Artificial human massage, constant temperature hot compress
10. 6D surround, 6 massage heads, 42 massage points, relieve fatigue