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✔ Relieves back pain fast ✔ Improves posture naturally ✔ Comfortable & adjustable ✔ Invisible under clothes

USB rechargeable battery

$238.02 USD

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style 6knots 12knots 2 knot 1 knot 4 knot

Charging time: 1-2 h
Output: 1A
Capacity: 1200mA±
10% of life: ≥3 years
Weight: 14 g

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