Color: Purple Dimensions: 66.6 mm x 49.7 mm x 26 mm Weight: 39.4 g Magnetically rechargeable (2 hours of battery life with a 2-hour charge) Easy to use On: Press "+" for 2 seconds Intensity: Increase with "+" and decrease with "-" Mode: Change pace with "~" Off: Press and hold "-" for 2 seconds