1. Product material: ABS+PC2. Battery capacity: 1100mA3. Input: 5V / 1A4. Product size: 21014075mm5. Product weight: 372 grams6. Ideal environment: temperature 5-407. Relative humidity80%8. Power supply mode: charging/power supply9. Packing list: eye massager*1 manual*1 power cord*1Features:1.3D smart double airbag massage: imitate human massage, kneading and other techniques to massage the acupoints around the eyes and relax the eyes;2. Far-infrared hot compress: far-infrared 40-45 constant temperature hot compress, designed for human body temperature, one-button start, warm eyes and relieve fatigue;3. Bluetooth connection: enjoy music, built-in mp3 module, mobile phone connected to the massager's Bluetooth, you can play your favorite music;4. Long battery life: large-capacity lithium-ion battery, which can be used multiple times after charging, suitable for business trips;5. Powerful power: 4 powerful power motors for three-dimensional massage, German air pump, uniform massage force, low noise, overheating protection device, copper wire electric coil, long service life;6. Folding and portable: 180 folding angle design, highly fit the eye elastic band, easy to carry;7. The design of the operation panel is simple, and it is convenient to use five modes8. Use flannel skin-friendly fabric, comfortable and breathable, the shell is made of high-strength engineering plastic; the straps can be adjusted by the buttons according to your comfort