1. Shell material: ABS, electronic components 2. Movement type: electronic 3. Power source: USB power supply / AAA battery x3 power supply (delivery without battery) 4. Size: rectangle 16 x 2.5 x 6 cm 5. LED energy-saving lamps, the light is soft and does not hurt the eyes 6. ABS material, environmentally friendly and healthy 7. Intelligent voice control, simple wake-up 8. AAA battery power supply / external power supply, two modes of power supply,
