1. Ergonomically designed massage blade fits various body parts, including neck, joints, waist, legs, arms, hands, shoulders, and back. 2. Electric massager with micro-vibration and NMES technology targets deep muscle tissue for effective deep tissue massage. 3. 3-level intensity adjustment allows personalized massage experience. 4. Automatically detects acupoints; when NMES sensation is felt, apply pressure for enhanced massage. 5. 1200mAh lithium battery provides up to 30 minutes of daily use for 14 days on a full charge. Ideal for relieving sports-related fatigue and promoting relaxation. Note: This product is not intended to diagnose, mitigate, treat, cure, or prevent any disease. Name: Electric Fascia Knife Function: Muscle Relaxation Massage Working Mode: 4 adjustable modes Heating Temperature: 3 adjustable levels (38°C - 46°C) Vibration Massage: 3 adjustable intensity levels (10,500 RPM) Power Supply: USB charging Battery Capacity: 1200mAh Charging Time: 1-2 hours Suitable Areas: Back, shoulders, neck, arms, waist, legs, and joints Color: Black Material: ABS + Stainless Steel Package Contents: 1 x Electric Muscle Massage Knife Note: Light reflection and display differences may cause slight color variation between image and actual item. Measurement may vary by +/- 1-3cm.