Jumbl Electric Dog Massaging Shampoo Brush - Cordless Massager w/ 2 Massage Heads and Shampoo Sprayer Lightweight Handheld System Makes it Easy to Wash & Relax Your Pets Powerful Rechargeable Battery Runs 2 Continuous Hours per Charge Interchangeable Shampooing Brush and Massage Brush are Included Integrated Tank Holds Shampoo Mix; Grip is Comfortable & Ergonomic Automatic Pressure-Triggered Cutoff Prevents Pulling on Tangles/Knots