Easy to use, the charging model can be charged using the USB socket, and the battery model can be used with two AA batteries ( this product does not contain batteries, you need to bring your own batteries High-power led, with control switches on the left and right sides, can adjust the angle of 100°, and the front lamp holder can be detached, which is and practical hanging neck lamp design, free your hands to life, the product is small and light, fits the neck, and is light to wear The light is soft and not dazzling, so you can use it at night with peace of mind Two levels of light source can be adjusted, press once to start strong light, press for low light, press three times to turn off the light