Grip Strength Trainer with Smart Bluetooth APP, Countable Hand Extension Exerciser for Muscle Building and Injury Recover, Portable Hand Exerciser at Office, School and Home Use, Silicone

Price: $29.99 - $9.09
(as of May 04, 2026 19:44:16 UTC – Details)
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Smart Fitness, Fun Living

JACKBOOM believes in the power of innovation totransform lives. we create premium Smart Fitness solutions helping you stay energised, confident and full of vitality.

JACKBOOM is more than a brand-it’s a lifestyle. We focus on your needs, perfect every detail, anddeliver unmatched performance and design toenhance your experiences. With JACKBOOM, you embrace cutting-edge technology and limitless possibilities.

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Yes, our products are crafted under strict qualitystandards and thoroughly tested to ensure theymeet high performance and durabilityexpectations. We ship directly from our ownfactory to maintain consistent quality control andoffer you reliable, well-made solutions.

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Smart Grip Strength Trainer

40LB RESISTANCE SMART COUNTING – Grip Strength Trainer track every squeeze with the built-in smart counter—automatically records your reps so you can monitor progress and stay motivated. Grip Trainer set at 40lb resistance, it meets the needs of most users for effective hand, finger, and forearm training.Perfect gifts for athletes, musicians, office workers and individuals recovering from hand injuries or surgery
COMFORTABLE & DURABLE SILICONE DESIGN – Hand Gripper Strengthener crafted from soft, skin-friendly silicone with a textured for a secure grip. The design of the donut shape conforms to ergonomics and is suitable for hands of any size. The detachable design lets you separate the silicone ring from the core for effortless cleaning—keeping your hand grips hygienic after every workout. No more sweat buildup or unpleasant odors
COMPACT & PORTABLE FOR DAILY USE – Hand grips for strength training with mini size slips easily into any pocket or bag. Just long press the switch to record your workout count. Strengthen your grip, forearms, and fingers during commutes, at your desk, while traveling, or watching TV. Use hand strengthening devices is a truly effortless way to build hand strength anytime, anywhere
BLUETOOTH CONNECTION AND REMOTE CONTROL – The smart grip trainer can connect Bluetooth to control short video platforms, e-books, and interactive games—hands-free. Press once, the screen slides down; Press twice and slide on the screen. Turn screen time into active, stress-relieving exercise. The companion app tracks your workout data, helping you monitor progress over time
SUPPORTS HAND RECOVERY & STRENGTH – Use of this hand grip strengtheners devices helps maintain and improve finger dexterity, grip stability, and forearm coordination. Regular use helps improve blood circulation, it is commonly used for conditions such as arthritis, tendonitis, carpal tunnel syndrome, and post-injury or post-surgical rehabilitation