Hyperice X 2 Shoulder is a fully electronic contrast therapy device that delivers next-level performance with deeper cold, more powerful heat, and built-in compression—so you can warm up faster, recover smarter, and come back stronger. Therapy type Contrast: Alternating heat and cooling stimulates circulation to reduce soreness and help the body recover faster. Full Specifications 1.5 hour battery life on max heat setting + 1 hour battery life on max cold setting 2.5 pounds Bluetooth® TSA friendly 5 levels of heat (105F (40C), 109F (42C), 113F (45C), 117F (47C), 121F (49C) 5 levels of cold (60F (15C), 55F (12C), 50F (10C), 45F (7C), 40F (4C)) 5 levels of compression (80 mmHg, 100 mmHg, 120 mmHg, 140 mmHg, 160 mmHg) Can be used on both left and right shoulder Ideal for Temporarily alleviate pain and soreness Decrease inflammation Support injury treatment for a variety of sprains and strains Relax and soothe stiff joints Loosen muscle knots Support warm up and recovery What's included Hyperice X 2 Shoulder 12V wall charger + AC cable