<br>This Ceenwes beard trimmer is designed for a cleaner trimming experience, provides maximum versatility for the exact style you want. The trimmer's tempered steel blades will never break, dull or rust and the guards are reinforced to prevent bending or buckling while you trim. All the attachments are washable. <br> <br><b>How to use </b> <br> 1.The appliance as supplied by the manufacturer is not yet for use.It must electrically charged prior to use. <br> 2.USB charge（5V-50/60HZ 3W）.While the appliance is being charged the switch must be turned off.A charging period of 2 hours is required before initial use. <br> 3.After charging the appliance is ready for use.It can be used with or without the guide comb attachment,slide it onto the cutting head until it clicks into position.The appliance must be switched off while the guide comb is being attached or removed. <br> 4.There are 2 pcs guide combs.The hair can be cut to 38 different lengths ranging from approximately 0.5mm to 2mm. <br> <br> <b>General descriptions:</b> <br>-Blade <br>-Length adjustment <br>-On/off swith <br>-Charging indicator <br>-Power adapter <br>-Guide comb <br>-Cleaning brush <br>-Oil bottle