List of products by brand Serfory

Long press on/off switch to start device 15.7’’ x 7.9’’ Coverage area & about 13W Powerful led lights: Total 120pcs LEDs, combo 60pcs deep red light（660nm) and 60pcs invisible deep penetrating infrared lights (880nm), penetrate deeply in the tissues. Serfory LED infrared light belt is wearable and consists of a 2 in 1 design adjustable lumbar belt. Flexible & Hands-free: Hands-free use in the office or at home, just insert the plug into the socket.Serfory flexible red and near infrared light wearable belt comes with Velcro design, you can use it on your lumbar, back, hip, chest, neck, arms, shoulder, knee, feet, elbow and so on. this flexible design support belt to around the target area for hands-free and focused on the area that you want. How to Use: Equipped with auto shut-off for 20minutes, do not exceed 20 minutes of use in one session, the device may be used multiple times per day. The Flexible Infrared Light Device Gets Warm: The infrar