Spring Counting Hand Grip Strengthener, Heavy-Duty Gym Trainer Lighting Fixture High-quality materials -------- 12v 4-pin

High-quality materials -------- 12v 4-pin voltage stabilizer rectifier

[Smart Auto-Connect & Compact Design] A truly wireless experience starts automatically as soon as you turn on your car's ignition

Material: Water-repellent

No assembly required—ready to use straight out of the box

Spring Counting Hand Grip Strengthener, Heavy-Duty Gym Trainer Lighting Fixture High-quality materials -------- 12v 4-pinFeatures: High quality material: This hand grip is made of high quality material, not easy to break, reusable, durable. Comfortable Handle: The ergonomic grip handles provide a comfortable and secure grip during your workouts, reducing hand fatigue. Multifunctional training: In addition to improving grip strength, this hand grip can also help enhance forearm muscles and overall hand dexterity. Adjustable resistance: The adjustable resistance levels