Features 1. 24 different modes, 20 levels of intensity adjustment, ease your pain and get a relaxing massage. 10-60 minutes timing adjustable. 2. AB dual output (the principle of AB channel output is, for example, A outputs 1 mode and B can output 2 mode. The two modes do not interfere with each other). 3. Built-in rechargeable lithium battery, flat round interface, convenient to charge. Pain relief for shoulder, elbow, neck, muscle, knee, back, foot. 4. Compact size and lightweight design, easy to carry, you can use it conveniently anywhere and any-time. 5. The LCD display with backlight provides better viewing at day or night. And the battery indicator will flash when it need to recharge battery. Specification Material: Aluminium alloy Color: Grey Size: 12 x 6 cm Weight: 320 g Modes: 24 modes Output: 2 channel Using time: 4-6 hours Timer: 10-60 minutes Package Include: 1 Electronic Massager Machine 1 Pair of Palm-shaped Patches 1 Pair of Oval-shaped Patches 2 Electrode Wires 1 USB Cable 1 Winding Board 1 Instruction Manual 1 Meridian Diagram