Product Video Display + Adopted High Quality Metal Alloy It's more stronger and durable than normal plastic material one-piece molding , no plastic seams , no plastic smell High Efficiency Trim 8500r/min High-speed rotation can quickly remove nose hair, it's very comfortable and safe Safe Design Designed with blade safety cover , it's very safe to use it will protect your nasal cavity 4-blade Cutter Design Increase the number of blades , to increase the trimming range 360 full coverage trimming , Thoroughly trimmed Smart Chip Design works well even with low battery , smart prevent nose hair pulling Charge One Time , Use up to120 Days Adopt 500mAh high-capacity battery can be used for 120 days on a single charge USB universal charging you can use mobile phone chargers, power banks, computers, to charge it Washable Cutter Head Easy to keep clean ,you can remove the cutter head and wash it with water You deserve the best product , You deserve the best life !