Do you have a question about the Philips BT3216 and is the answer not in the manual?
Keep the supply unit dry to avoid hazards.
Use only the provided detachable supply unit for charging.
Do not immerse the appliance in water; it is not washable.
Appliance complies with standards for electromagnetic fields.
Supply unit is suitable for 100-240V mains voltages.
Charge fully before first use and after long disuse for optimal battery life.
Use until battery is fully empty on first charge, then recharge.
Press the on/off button once to switch the product on or off.
Use the trimming guard for desired length settings from 0.5mm to 10mm.
Use the trimming guard with setting 0.5mm to create a 'stubble look'.
Use the trimmer without the guard to trim edges and single hairs.
Wipe housing dry; rinse guard and cutting unit under tap, then dry.
Store the product in the supplied pouch when dry.
Purchase accessories or spare parts from Philips service website.