1. Unit weight: about 192 grams
2. Dimensions: 229 × 218 × 25mm
3. Material: plastic
4. Specifications: input 5V-1A, power 4w
5. Features: unique shape, small and portable, beautiful and practical, button bump design, adjustable angle, curve design for comfortable wearing, energy saving and noise reduction, adjustable third gear wind
6. Applicable occasions: home, office study, sports, travel, etc