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Ships within 48 hours · Estimated delivery Sep 12 - Sep 17
Simple operation: 7-port USB interface
Loading Container 20GP: 352 cartons * 10 pcs = 3520 pcs
Midi line length: 0
Charging current: 500mA x 2
good condition of heat dissipation
KYTO Wrist Power Device Electronic Wrist Power Ball Strength Ring Centrifugal Ball Timing Measurement Speed Trainer, KYTO Electronic Wrist Power Ball For Amazon Simple operation: 7-port USB interface1. Size: about 210x210x60 mm 2. Weight: about 627 grams 3. Exercise parts: arm strength wrist strength chest muscles back muscles 4. Power supply: AG12 button battery 5. Can display exercise duration, exercise strength, real time speed 6. The principle of centrifugal force, when the greater the speed, the greater the inertia generated, the greater the force control is required to drive the body muscles to move 7. The curved handle fits the wrist, and
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