ThumperÈ Maxi Pro Muscle Stimulators 9N) 1N(1000N 1335N) * Battery Select Ear:Left Ear 9N) 1N(1000N 1335N) * Battery Life: 6 8 hrs powered on 30 minutes after low battery condition * Charge Time: 80% charge => 45 minutes Full charge => 2 hrs * Data Storage Capacity: 150 tests * Calibration Points: 31 point (Every 10lbs 0 300) * Preset Test Length: 0 3 kg Total 150 lbs s muscles assuring virtually no feedback on the therapist Authentic deep tissue massager originally designed for clinical use * Ideal for warming up muscles prior to Chiropractic adjustment * 8 massage spheres cover a broad area ideal for large muscle groups * A full body massage takes only 5 8 minutes * Designed to direct 95% of its energy into the patient