1. Equipped with a smart chip, which can record usage data
2. Increase the TPE soft glue to protect the skin
3. 360-degree rotatable angle, 3-speed strength adjustment
4. Fit the legs and increase the force bearing area
5. Material: PP, TPR
6. Battery capacity: 3.7V 150mAh
7. Charging interface: USB
8. Size: about 10 x 5cm
9. Weight: about 550 grams
Specification:
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