Slendertone Arms Muscle Trainer - Biceps and Triceps Workout Target your triceps and biceps through clinically demonstrated Electrical Muscle Stimulation (EMS) technology for stronger, more firmed and toned upper arms. Arms7 is an advanced arm training system designed with gel pads that transmit EMS to send a signal to your nerves, which cause your muscles to contract and relax just like regular exercise. The result of this repetitive action is increased strength and improved performance of your biceps and triceps in just weeks Designed with 3 training programs - CONDITIONING, STRENGTH and POWER - with training levels that range from 0-99 for an effective and comfortable workout for all users from beginner to fitness enthusiasts. FDA cleared and designed for men and women, Arms7 is rechargeable, portable and easy-to-use. With over 50 years of medical expertise and extensive user evaluations, you can be confident Slendertone products deliver results.