Digital Grip Strength Trainer, 0–440 lb Hand Gripper Strengthener with Real-Time Display (No Sound), 2 Modes: Test & Smart Vibration, Ergonomic Hand Grip & Forearm Strengthener, USB-C Rechargeable Hand Exerciser

Digital Grip Strength Trainer (0–440 lb) with Smart Vibration Measure. Train. Relax. This palm-fitting hand grip strengthener shows your grip power in real-time lb on screen—no sound speaker, just clear numbers you can trust. Switch with one button: Test (Silent) for accurate checks before/after sets, or Vibration where harder squeeze = stronger vibration for better feedback and post-workout relaxation. The ergonomic anti-slip handle uses soft-touch silicone and deeper finger grooves for stable control. Sized for US/EU palms (H 5.4” × W 2.24” × D 1.77”), it fits adult M–XL glove sizes without finger crowding. Train hands, fingers, and forearms daily—ideal as a grip strength trainer, hand gripper strengthener, forearm exerciser, and hand exercisers for strength at the office, gym, or travel. USB-C rechargeable and compact to carry. In the box: Grip trainer, USB-C cable, quick guide. Gift-ready for him & her.