1. Product Name: Small Butterfly Massager Model: SM-1002 Place of Origin: China 2. Features and Functions: ①. Relieving symptom for tighten schoulder, waist and back. ②. Massage effect: n relieving fatigue n promote blood circulation n relieving muscles. ③. Other useage. ④. It has six modes, you can choice different leveal. 3. Specifications: ①. voltage: alkaline 3.0V(CR2032) ②. 2. Frequency: 1-100Hz ③. Output: maximum: 4.7 mA ④. Size of pad: 111mm*79mm ⑤. Size of outer box: 127mm*160mm*22mm ⑥. Weight: 60.5g 4. Accessories: ①. 1 piece main machine, ②. 1 piece adhesive pad ③. 2 piece CR2032 batteries ④. 1 piece instruction manual SM-1002C 1. Product Name: Small Butterfly Massager Model: SM-1002C Place of Origin: China 2. Features and Functions: a) Relieving symptom for tighten schoulder, waist and back. b) Massage effect: i. relieving fatigue ii. promote blood circulation iii. relieving muscles. c) Other usage. d) It has six modes, you can choice different leveal. 3. Specifications: a) voltage: alkaline 3.0V(CR2032) b) 2. Frequency: 1-100Hz c) Output: maximum: 4.7 mA d) Size of pad: 111mm*79mm e) Size of box: 250mm*170mm*32mm f) Weight: 157.8g 4. Accessories: a) 1 piece main machine, b) 1 piece adhesive pad c) 2 piece CR2032 batteries d) 1 piece instruction manual e) 1 piece of bag