Embroidery headset with two LED lights, 4 groups of lenses of different magnifications, reading high definition magnifier

Material: ABS frame + acrylic lens
Multiple:
1.2x (optimal distance 10-50 cm)
1.8x (optimal distance 20-30 cm)
2.5x (optimal distance 10-20 cm)
3.5x (optimal distance 8-15 cm)
Battery: No. 7 battery*2 (including battery)
Contains: Lens*4, Magnifier*1, English manual*1
Features:
1. Double-sided double-layer frames, wear two lenses at the same time to avoid wasting time
Adjustable for easier use.
2. The size can be adjusted, and any head shape can be worn.