Description Color: Black/Grey Material: ABS + premium diving fabric Rated voltage: 3.7V Rated power: 7W Input voltage: 5V Input current: 1A Built-in battery: 1800mAh Power supply: USB Type-C Hot compress temperature: 40-65℃ Massage intensity: Five levels Product functions: Massage the ankle/Assist in ankle strain/postoperative injury recovery. Features: 1.Ankle Massager with Heat – Provides targeted acupoint massage combined with soothing heat therapy to relieve ankle pain and stiffness. 2.Realistic Hand-Like Massage – High-speed motor delivers deep kneading, simulating human hands for effective stress relief and relaxation. 3.6 Heat Levels with NTC Control – Adjustable heating system up to 6 modes, maintaining stable temperature for ankle joint care and blood circulation. 4.Cordless & Rechargeable Design – Built-in lithium battery allows wireless use anytime; portable foot and ankle massager for home, office, or travel. 5.User-Friendly & Comfortable – Smart digital display for easy operation, open-heel design for stability, long battery life supports daily therapy. Storage method: Store in a cool and dry place, avoid sunlight. Notes: 1. The manual measurement tolerance is 2-5. Please don't mind your replacement. 2. Due to the difference between different monitors, the image may not reflect the actual color of the item. Thank you very much! 3. The effect varies from person to person, it is recommended to persist in use. Package includes: Ankle Massager*1 pc/Ankle Massager*1 pair