Adopt graphene heating film, so the product can be heated quickly and the heat is even. It has 5 built-in modes and 4 functions are specialized for relieving eyestrain, dry eyes, bulging eyes, mental fatigue, protect eyesight, stimulate the skin around the eyes, reduce wrinkles, eye bags and dark circles. Features: 1. Adopt graphene heating film, so the product can be heated quickly and the heat is even. 2. Special soft surface, give double gentle caress to the eyes. 3. Specialized for relieving eyestrain, dry eyes, bulging eyes, mental fatigue, protects eyesight, stimulate the skin around the eyes, reduces wrinkles, eye bags and dark circles. 4. Equipped with a built-in rechargeable battery to supply power for 4-5 hours. 5. Adjustable belt, suits for any head sizes. 180° foldable design, convenient to use. 6. It has 5 built-in modes and 4 functions are specialized for relieving eyestrain, dry eyes, bulging eyes, mental fatigue, 7. Comes with a storage bag, convenient to carry. 8. ABS shell, durable, eco-friendly. Specification: Item Type: Vision Care Device Material: ABS Item Color: As Pictures Show Default Time: 15 minutes Constant Heat Compress: 42℃ Power Supply: Charge by USB Lithium Battery Capacity: 1600mAh 5 Modes: Automatic Mode: Air Pressure + Hot Compress + Music + Vibration; Activity Mode: Air Pressure + Music + Vibration; Clear Mode: Music + Hot Compress; Dynamic Mode: Music + Vibration; Sleeping Mode: Air Pressure Package Length: Approx. 22 x 17.5 x 10cm / 8.7 x 6.9 x 3.9inch Package Weight: Approx. 677g Package List: 1 x Eye Massager 1 x Adapter 1 x USB Cable 1 x Velvet Bag 1 x Visual Chart 1 x Manual Note: 1. Do not use this eye massager if you have these eye disease including eye operation, glaucoma, cataract, retinal detachment, etc. 2. Please stop using immediately and consult your doctor if you feel pain or serious discomfort. 3. This eye massager is a personal hygiene product, which can not replace medicine and medical equipment. 4. The default working time is 15 minutes. If you need to extend using time, please restart the machine. 5. During the charging process, the product does not support working (Charging in the working state, the product launches the self-protection program and automatically stops working.)