1. Weight: single about 70g 2. Dimensions: single 60x70mm, hose length 310mm 3. Material: plastic, metal hose 4. Specifications: voltage DC5V, power 0.2W, current 40mA, USB universal interface 5. Style: modern and simple 6. Features: unique shape, beautiful and practical, light and portable, soft light eye protection, flexible hose can be bent, energy-saving and power-saving, easy to operate, the hat lights turn on, the lights turn off, strong and durable
