About This

• [4-in-1 Versatility for Drug-Free Pain Relief] KingPavonini TENS unit muscle stimulator blends TENS, EMS, Massage & DIY modes, offering a perfectly balanced professional and personalized therapy option in one device; drug-free, non-invasive relief for sciatica, back, neck, shoulders, legs, knees, and joints, helps speed muscle recovery, ease soreness, and promote full-body relaxation post-workout or busy days
• [DIY Pro Customization + 24 Therapy Presets] Get personalized comfort with TENS machines for pain relief: 24 preset modes cover quick daily relief, while DIY mode lets you freely adjust 1–199Hz frequency for precise, tailored therapy that matches your comfort or your therapist's recommendations, no more one-size-fits-all settings
• [Dual Channel & 40 Intensities] Independent A/B channels on this electric muscle stimulator offer up to 40 intensity levels per channel, fit all tolerances, and support 2 or 4 pads simultaneously for fast, effective relief across multiple areas at once; memory function saves settings, no repeated adjustments after restarts
• [12 Multi-Size Reusable Pads for Full-Body Use] Our TENS unit for back pain includes 12 electrode pads in 3 sizes (4 small 1×2", 6 medium 2×3", 2 large 2×4") for precise placement anywhere; each latex-free pad has high-tack adhesive that stays put with no residue, reusable up to 50 times, washable, and long-lasting
• [45-Hour Battery & 10-90 Min Timer for All-Day Relief] Powered by 320mAh battery, our EMS muscle stimulator delivers up to 45 hours of use—no more low-battery worries; included USB-C cable (no adapter) works with power banks, laptops for easy charging; 10–90 min smart timer for safer, controlled therapy sessions
• [Portable Carrying Case] KingPavonini TENS therapy machine (Model: B2501) features a sleek, travel-ready carrying case with a handy clip-on design, lightweight and compact; perfect for home, office, gym, or travel, a practical and thoughtful idea for seniors, parents, friends, or anyone seeking convenient at-home pain relief and muscle recovery

Overview

• Product Dimensions ‏ : ‎ 4.33 x 2.76 x 6.5 inches; 13.76 ounces
• Item model number ‏ : ‎ FM-B2501
• Batteries ‏ : ‎ 1 Lithium Ion batteries required.
• Date First Available ‏ : ‎ October 23, 2025
• Manufacturer ‏ : ‎ KingPavonini
• ASIN ‏ : ‎ B0FXGY8QQB
• Best Sellers Rank: #83,347 in Health & Household (See Top 100 in Health & Household) #178 in Muscle Stimulators & Accessories
• #178 in Muscle Stimulators & Accessories
• Customer Reviews: 4.6 4.6 out of 5 stars (82)