AJ20 Heated bandage The Alpenheat AJ20 heated bandage relieves muscle pain, sports injuries, rheumatism, arthritis, cramps and general aches and pains by applying soothing heat directly to the affected area. Can also be used to warm up muscles before sporting activities. The stretchy outer material with fleece lining enables the bandage to fit perfectly and comfortably on any part of the body. The bandage can be applied to feet, legs, waist and abdomen, arms, elbows, hands, knees, shoulders, neck or back. It is powered by a high-capacity rechargeable lithium-ion battery and features 4 heat settings. Depending on the heat setting, the heated bandage heats up for up to 2-6 hours. The battery switches off automatically after 30 minutes, but can be switched back on immediately. Battery charge time is approx. 4 hours. Benefits: Multiple uses: neck, back, shoulder, elbow, hand, stomach, thigh, knee, calf, foot Heating time: between 2 and 6 hours 4 heating levels Features: Charging time: 4 hours Material: outer 100% nylon; inner neoprene High-performance Li-Ion rechargeable battery 7.4V / 2.2Ah / 16.3Wh (BP10) Battery pack: small, light (108g) and compact (50 x 70 x 20mm)