Product introduction:1) Voltage input: DC 5V 500mA 2) Charging port: Type-C 3) LED power: 25mW (pcs) 4) Material: PUandfabric 5) LED quantity: 48pcs 6) Size: 227.7 x 207.5 x 8.3mm Instructions: 1) Press and hold the on/off key for more than 2 seconds to turn on/off 2) Press "M" to switch the usage mode: Mode 1. The red light is always on, and the time is 10 minutes; Efficacy: hair care, hair care, hair growth. Mode 2. The blue/red light flashes alternately for 10 minutes; Efficacy: Oil control, hair care, hair care, hair growth. Mode 3. The blue light is always on for 10 minutes; Efficacy: hair care, hair care. Mode 4. Flashing/constant light alternately, time 25 minutes; Efficacy: dense hair, additional hair. Precautions: 1) After use, it should be stored in a ventilated and dry place; 2) Do not put heavy pressure on the product, otherwise it will be damaged; 3) Do not use too much force when unplugging the USB charging port, otherwise it will break and fall off; 4) To clean the product, turn off the power, wipe it with a damp cloth, and dry it with a towel or ventilate it; 5) Do not soak or rinse in water, and do not use strong detergents for cleaning; Product assembly method: 1. Install the main part of this product inside the hat as shown in the picture 01. 2. Press and hold the power button for more than 2 seconds to start up, and use "M" to select the usage mode. 3. Normally with a cap, after the hair care is completed, it will automatically shut down and emit 3 beeps. When using the product, please confirm whether there is power. If the power is too low, the machine will not be able to be turned on or turned off. Please charge it before using it. When the host is out of power, the power red indicator will flash quickly, please charge it in time. Use the TYPE-c interface to plug into the host, and the adapter should be charged with a USB charger (5V 1A/2A). When charging, the power red indicator flashes slowly; when fully charged, the power red indicator is always on. It is not suitable to use the fast charging type charging head to charge, which will cause the phenomenon that the charging indicator cannot be turned off. Benefits of Using Laser Cap for Hair Loss Less costly than in-office treatments Discreet and easy-to-use at home Can be used by both men and women Safe, convenient, and painless Requires a minimal time commitment Package Included:1xHair Laser Cap1x manual