Description
1. Size: 21x5.6x2.8cm
2. Weight: 200g
3. Weight: 260g
4. Color: green, blue, pink (color box in Chinese and English)
5. Function: USB / battery
6. Micro switch, more convenient and more efficient, escort your health
7. Long life and longer use time, both economical and environmentally friendly
8. Power supply: 2 batteries of size 7 (need to be prepared by yourself)
