Multi-functional Usage- All in One: The all-in-1 trimmer for your choice of beard, head, body, face hair styling and other trimming needs. Powerful & Durable Motor- Long-lasting Sharpness: To deliver maximum power, oraimo SmartTrimmer includes a full metal motor that’s been reinforced with tempered steel. Fitting in with stainless blades, SmartTrimmer creates clean and smooth trim. LED Indicator- Smarter and Easier: LED Display indicates battery power and reminds you to charge. Built-in rechargeable Lithium-ion battery delivers up to 90 minutes of run time per charge by only about 1.5 hours charging. Travel Lock- More Considerate: Travel lock prevents trimmer from accidentally starting in the luggage. Lock Travel Lock: Long press the switch button for 4s. （Under power-off status） Release Travel Lock: Long press the switch button for 4s.