Batteries required: No. Best Sellers Rank: #815,398 in Health & Household (See Top 100 in Health & Household) #3,560 in Earwax Removal Products #359,932 in Personal Care Products. Country of Origin: China. : B08GCD2NK4. Item Weight: 3.84 ounces. Product Dimensions: 7.2 x 1.97 x 1.18 inches.