The Yoko has been developed using the latest technical knowledge. It has been produced using the most modern machinery and all functions has been thoroughly tested. Features: Adjustable razor Sharp razor, lasting and durable Cordless operation, easy to use Built-in high performance rechargeable battery Charge indicator Clip on comb attachment Lube Cleaning brush Push type switch for easy operation Model: YK-6092 Operation: Cutting length can be adjusted to 3 levels ( 0.5mm, 1,5mm, 2.5mm) Push sliding switch 3 into the desired operation Putting on the Blade Head: Ensure that the main switch 1 is in position “0” First position the bottom notches in the opening of the appliance, then press the head on with an upward swiveling movement Do not use force. The blade head should engage audibly.