COSLUS BK-A08 - Electric Nail Drill Manual (2024)

Contents

Thank you for purchasing our product. In order to ensure safety and better performance, please carefully read this manual before use.

Product Overview

1. "+" button (speed up)
2. Switch button
3. "-" button (speed down)
4. Forward indicator (clockwise)
5. Reverse indicator (counterclockwise)
6. Battery indicator
7. Charging port
8. Drill bit

Specification

Package List

1. Nail drill handpiece x 1
2. Drill bit x 11
3. Sanding band x 25
4. Cleaning brush x1
5. Charging cable x 1
6. Storage pouch x 1

Drill Bit Instructions

Preparation Before Use

1. Device charging: connect type-C cable to the device and adapter(not included in the package). During charging, battery indicator flashes red when battery power is low, and flashes green when it's charged to more than 30%. When fully charged, battery indicator keeps steady green.
2. When battery power is too low, battery indicator will flash red, and automatically shut down after flashing for 10s.
3. It takes about 1.5 hours for the device to be fully charged, and it can work continuously for about 2-4 hours after fully charged.

Drill Bit Installation

1. Hold the handpiece in one hand and the drill bit in the other hand.
2. Insert into or pull out the drill bit firmly.
   

Instructions

1. Choose different drill bits according to different needs, and install the drill bits to connecting shaft at the tip of handpiece until it is fixed in place.
2. Power on: press and hold switch button for 2s, the device is turned on, green battery indicator lights up, the motor starts rotating, orange reverse or forward indicator lights up.
3. Switch rotation direction: under power-on state, press switch button twice quickly to change the rotation direction, orange forward indicator means it is rotating forward, orange reverse indicator means it is rotating reversely.
4. Speed up: short press "+" button, the motor will be accelerated after pressing this button.
5. Speed down: short press "-" button, the motor will be decelerated after pressing this button.
6. Pause: short press switch button when the device is turned on, the device suspends work, reverse/forward indicator goes out. And if there is no operation within 120s, the device will be turned off automatically.
7. Power off: long press switch button to turn off the device, or press switch button to pause, the device will automatically be turned off after 120s.
8. Operate while charging: the device can be turned on and operated during charging, or fully charge it before use.
9. Locked rotor control: when the dill bit is in contact with relatively hard surfaces, if the load is not released in time, the device will automatically shut down after 10s.

Cleaning and Maintenance

1. Before starting cleaning the device, make sure it is powered off.
2. Do not immerse the device in water, accessories that can be disassembled shall be cleaned separately.
3. Use a clean cloth or a wrung-out wet cloth to clean the device surfaces.
4. Do not use any lubricants, cleaners, polishes, or air fresheners on this device.

Warning

1. Do not store this product for a long time in humid or high-temperature environment. If it is not used for a long time, please store the product after it is fully charged.
2. Do not throw this product together with household waste, it should be handed over to designated recycling center according to local law and regulation.
3. The following people are not suitable to use this product: children, diabetic, those who have skin inflammation on fingers or toes, allergies, physical sensory or mental disabilities.
4. Please stop using immediately and consult the doctor in time if you feel comfortable.
5. The product is only for nail drilling, do not use for any other purposes.
6. Do not disassemble, repair or transform this product by yourself.

FAQ

Q: The product does not work.

A:

1. Check if the product needs to be charged and if the product is in suspended state.
2. Check whether the product is damaged. Falling may cause deformation of drill hole, or even cause parts inside the handpiece breaking. Please try to prevent falling to avoid damage.
3. Accumulation of excessive nail dust in power hole and the device, or accumulation of nail polish at the switch button will affect the normal operation.
4. Washing with water will cause internal parts to rust and not work properly. Recommended to clean the device with cleaning brush after each use.

Q: The product cannot use replacement drill bit.
A: Ensure whether the diameter of dill bit is too large to fit in.

Q: The product has power, but it shuts down automatically.
A: Surfaces that the drill bit touches are too hard. It is recommended to increase rotating speed or operate on suitable surfaces.

Note: If there is any technical improvement in the product, we will make a new version of the manual without notice. The product appearance and color may vary according to different version, please refer to the actual product received.