Kemei-658 Hair Trimmer For Men Beard Trimer Professional Hair Clipper Electr Razor Hair Cutting Machine Haircut Electr ShaverSPECIFICATIONS Origin: Mainland China Commodity Quality Certification: ce Certification: CE Number of nozzles: 3 4 pcs Length adjustment method: Change of nozzles Battery Charging Time: up to 2 hours Battery Life: over 90 minutes Item Type: Hair Trimmer Power type: Mains and battery operation Function: Electric length adjustment Function: wet haircut Function: dry haircut Function: Automatic power selection based on bristle density Function: fast