ALINCO Vibration Shape Dumbbell 1kg With Counter Body Size: W280 x D110 x H110mm Body Weight: Approximately 1.0kg (including batteries) Material: ABS Power Supply: AA batteries x 4 Operation confirmed. 〈Reference〉 The entire dumbbell vibrates when turned on. Vibration level can be adjusted in 2 stages: strong and weak. With a counter, time settings of 3 minutes, 6 minutes, and 9 minutes are possible. The muscles of the upper arms and back vibrate, stimulating the muscles just by holding the dumbbell. Stimulates inner muscles that are normally difficult to train, tightening the muscles of the upper arms and back. For fitness, dieting, and exercise. If you purchase multiple items, we will offer a discount on shipping costs for items that can be shipped together, so please feel free to contact us. Other miscellaneous goods we are selling can be viewed here: #MiscellaneousGoodsEtc ◆ Please read the profile. We do not sell on any platform other than Mercari. Please understand and agree to the purchase as a used item, with minor scratches and small marks due to aging during storage at home. 1676