Smart Silicone Hand Strengthening Devices, Grip Strength Trainer with Data Monitoring, Forearm Strengthener for Fitness and Stress Relief, Supporting Gaming Interaction and App Control, 40 lbs, Gray

Multi-Functional Workout & Stress-Relief Massage: This hand gripper strengthener offers 40 lbs of resistance for daily training. It targets fingers, palms, wrists, and arm muscles, preventing carpal tunnel syndrome, boosting blood circulation, enhancing finger dexterity, and aiding hand rehabilitation. Its stress-relief massage design relieves hand fatigue during squeezing, blending fitness and relaxation

Smart Connectivity & Precise Data Tracking: This hand strengthening devices has an intelligent chip for precise counting, with real-time tracking of grip reps, workout duration, calorie burn, and other fitness/health metrics that sync directly to your device—your fitness progress is clear at a glance. Its 2-in-1 mode enables seamless entertainment-fitness data sync, plus gaming and video browsing remote control function, eliminating grip training boredom and combining fun with tangible results

Safe & Comfortable Silicone Material: Our hand grip strengthener features a food-grade safe silicone grip area—soft, skin-friendly, and equipped with non-slip texture for a secure hold that won’t slip during use. With a split detachable design, the smart counter can be easily removed for cleaning, preventing water damage. It balances hygiene and durability, making long-term use hassle-free

Long-Lasting Battery & Convenient Charging: This electronic hand gripper comes with a built-in 60mAh battery—full charge in just 60 minutes, with a standby time of up to 300 hours, meeting the needs of long-term and high-frequency use. Equipped with a universal Type-C charging port, it’s compatible with multiple charging methods including chargers, power banks, and USB ports, making charging easy for both on-the-go and office scenarios

Portable for Multi-Scene Use: This portable grip strength trainer is lightweight and compact, fitting easily in your pocket or backpack with no restrictions on location or time. Whether for stress relief at the office, home workouts, outdoor trips, or hand rehabilitation during recovery, you can engage in grip training anytime. It’s a pocket-sized fitness essential that balances practicality and portability