Velocity Based Training Device, Smart Speed Tracker for Weightlifting & Squats, Linear Encoder for Powerlifting, Real-Time App, Voice Tips, ±1mm Precision, Charge 2h Use 50h,A

◐ Professional-Grade Velocity-Based Training (VBT) Device！◐ VBT Trainer Is the Ultimate Linear Encoder for Powerlifting and Speed Training, Combining Elite Sensor Tech with Real-Time Performance Analytics. Designed for Strength Coaches, Competitive Lifters, And Gym Enthusiasts Who Demand Lab-Accurate Data Without the Complexity.◐ REASONS TO CHOOSE:● Smart Velocity Tracking – Adjust weights dynamically based on real-time bar speed to maximize gains and prevent overtraining.● Competition-Ready Precision – Tracks every rep with ±1mm precision, just like the sensors used by elite athletes.● Voice-Guided – Get instant audio feedback on speed, power, and rest intervals, no need to stop and check your phone.● Built to Last – Handles heavy lifts (15-20kg) and survives gym abuse, with a 5m self-retracting rope rated for 10,000+ reps.● Weeks of Power, 2H Charge – A quick charge delivers 50+ hours of training—perfect for high-volume athletes.Name: VBT Speed TrainerRated Power: 1.5WCharging Voltage: 5VCharging Time: 2 HUsage Time: 50 HBattery Capacity: 300mahDrawstring Length: 5 MResistance: 100gProduct Size:70×70×35 mmProduct Weight:147g App Language: English/French/Italian/German/Spanish/Dutch◐ PACKAGE LIST1 × VBT Encoder1 × Cable1 × Hook1 × Storage Bag1 × Belt （B+）1 × Hook Magnet（B+）◐ TIPS1. The drawstring is thin, be careful to avoid hurting yourself when rebounding, and control the range of motion.2. Please protect the device when jumping to avoid stepping on and damaging the device.3. Please check whether the device is installed firmly before use.

• 【VELOCITY TRACKING】Our linear position transducer auto-calculates barbell speed (m/s), power output (w), 1rm, and fatigue index during squats, cleans, and deadlifts. Helps you optimize your training and prevent overtraining. While customizable voice announcements keep you focused without checking your phone.
• 【PRO-SQUAT TRAINING DEVICE】Velocity based training device uses an industrial position sensor (rated load 15-20kg). Positional accuracy: ±1mm, service frequency: 100hz, precision: 0.01s, accuracy: ≥ 98%.The rugged 70×70×35mm casing withstands drops, impacts, and max-effort lifts, ensuring reliable use in any environment.
• 【50H ULTRA-LONG BATTERY】Experience uninterrupted training with our smart speed tracker's 50-hour battery life. A quick 2-hour charge provides a full week of intense training sessions. Featuring a universal type-c interface, it's compatible with any mobile phone charger or power bank, ensuring you're always ready for your next workout.
• 【REAL-TIME COACHING】App can display training data, including speed, distance, power, reps, and fatigue detection and other sports data. Voice coaching calls out prs and form tips, generates detailed load-speed curves, and offers eccentric/concentric phase analysis, and vertical leap metrics. 10 languages ​​to switch between.
• 【VERSATILE & EFFORTLESS SETUP】Velocity based training tool features a 5-meter self-retracting, non-tangle wire rope, for everything from squats to plyometrics and vertical jumps. The powerful magnetic mount allows for secure installation on racks or plates in just 2 seconds, eliminating the need for cumbersome straps or clamps.