The SKG G7 Pro neck massager offers a unique combination of kneading, pulsing, heating, and red light therapy, helping you relax your tendons and release tension with deeper muscle penetration. With 3-level heating and 8 concentrated red light beads, it's the perfect way to reveal a refreshed and rejuvenated feeling, while relieving pain and soreness all at once. 8 infrared radiation LEDs & a 3-level large area of hot compress The innovative design of infrared radiation is arranged for concentrated heating on top of the cervical spine to efficiently relieve pain at the core; 630 nm infrared radiation penetrates underlying muscles. 9-Independent heating film all-around protection of the neck and larger area of massage. Using speed heating technology, rapid heating in 5-10 seconds. 3-level hot compress, which can be adjusted to a suitable temperature according to personal preference. App Download: Download and install the "Future Wear" app on the App Store, Google Play, or by scanning the QR code below. Pairing: Turn on the Future Wear APP→ Activate Bluetooth connection on your phone → Search on the app for the device to pair with (or scan the QR code on the device) → Finish binding on the app (or on the device). Note: Please use a 5V/1A charger to charge the massager. Please charge the massager for the first time you receive it. This product is not suitable for people who are after heart surgery or for people with high blood pressure.