Technical Specifications: A massage device for toning and removing cellulite in women, body contouring, skin tightening, and it works on relaxing muscles and the neck. Model: KH-740 Voltage: 110 – 240 V Frequency: 50 / 60 Hz Power: 20 W Operating Time: 2 continuous hours Charging Time: 2 hours only (full charge) Battery Capacity: 1800 mAh Dimensions: 17 × 4 × 12.5 cm Weight: Lightweight for ease of carrying and use Package Contents: 1 × KH-740 massage gun device 4 × Multi-use massage heads 1 × Dedicated charging cable The KH-740 massage gun for muscle massage with five speeds and 4 heads for pain relief and relaxation.