4-in-1 Cordless Knee Massager with Red Light & 3D Airwave,Heated Vibration Therapy for Joint Pain Relief,Portable Electric Massager for Knee/Elbow/Shoulder,Gift gor Seniors(7.5* 5.5 * 6.3inch)

【4-in-1 Knee Massager】Combine red light therapy, 3D Airwave, deep vibration massage and adjustable heating (45°C-55°C) - customize each therapy intensity via HD touchscreen 【3D Airwave Massage Pro】Upgraded airbag system mimics human massage with 3 intensity levels - compression-relax cycles boost blood flow better than ordinary massagers 【20 Red Light Therapy Lamps】Deep-penetrating infrared wavelengths (650nm-850nm) - experience effective pain relief and improved microcirculation - alleviate muscle strain and joint discomfort for users of all ages 【Targeted Heat & Vibration】3 heating modes from warm 115°F to cozy 130°F with auto safety shut-off + 3 vibration modes 【Perfect Senior Gift】58cm adjustable strap fits all knee sizes & works on elbows/shoulders with secure grip- wireless design with 4hr battery life for home/travel usev