- ABS + silicone material
- Work voltage: AC 5V
- Power: 3W
- Powered by USB port
- Comes with USB cable and Chinese/English manual
- Help activate blood and dissolve stasis, relieve fatigue, etc.
Dimensions: 2.99 in x 2.99 in x 1.85 in (7.6 cm x 7.6 cm x 4.7 cm)
Weight: 3.07 oz (87 g)