coumi TWS-817K Wireless Bluetooth Earbuds User Guide

coumi TWS-817K Wireless Bluetooth Earbuds

COUMI EQ app can customize sound curve for EACH user by testing your hearing and create sound curve accordingly, then save the sound curve into the earbuds. Once the sound curve has been saved,no matter what Bluetooth enabled player or what music you will choose, you can enjoy music by our earbuds with your own sound curve inside.
FREELY CUSTOMIZE MUSIC FOR YOUR EAR!

Google Fast Pairing

Package Contents

Product Overview

Charging case

Wearing Guide

1. Select eartips of the most fitting size provided( large,medium,small).
2. Please install the fitting eartips on the earphone.
3. Pick up the earbuds accordingly (R/L), and rotate the earbuds according to the direction of the arrows for more stable fitting.

Instruction

1. Initial use
   For the first charge,please remove the insulation film on charging port of the earbud.

2. Power On
   Open the charging case, the earbuds will power on and you can hear prompt voice “Power On”. White LED lights on 1s.

3. Pairing
   Open the phone Bluetooth to search “Ice Drop TWS-817K” and hear “Connected” and light goes out.

*Either earbud can be used seperately. The earbuds can be automatically re-connected to the last connected devices.

Technical Specification

• Item Number: TWS-817K
• Bluetooth Version: 5.0
• Bluetooth Profiles: HFP/HSP/A2DP/AVRDP
• Wireless Range: 360° 10M
• Music Time: Up to 6 Hours
• Used with the Charging Case: Up to 22 Hours
• Charging Time: 1.5-2Hours
• Charging Parameter: Earbuds : 5v/30mA
• Charging case: 5v/500mA
• Battery Type: Lithium ion battery
• Earbuds: 3.7V, 45mAh
• Charging Case: 3.7V, 500mAh
• Frequency Response: 20Hz-20KHz
• Sensitivity: 97±3dB

Battery Life: Due to different systems, audio formats,personal usage habits (such as volume) of mobile phones and other devices, the battery life may vary for the specific situation.

Operation

Earbuds Operation Guide

Light indicator

Charging case light indicator

Earbuds Light Indicator

lights off
Connected| Light goes out

FAQ

1. The earbuds do not turn on: Please confirm the earbuds have power left, if not charged please charge up and then power on.

2. Unsuccessful Bluetooth Pairing: Make sure that the earbuds are turned on and in pairing state, the pairing distance is kept within 1m.

3. Some Bluetooth devices require a pairing password Please enter “0000”

4. Automatically Re-connect: After Power on, it will automatically re-connect to the last connected device.

5. How long will it turn off automatically when it doesn’t connect?
   The earbuds will automatically turn off after 10mins if it doesn’t connect with Bluetooth devices.

6. If the left and right earbud don’t sync or connect the phone because the earbud is in re-connection mode or other mode, or if you can’t find your preferred Bluetooth device, you can restore a factory reset： When the earbuds are in the charging case, press and hold the right touch control for 5s untill the white LED lights on for 3 times, then the earbuds will restart and connect to each other, enter into pairing mode.

Warning

1. Do not remove or modify the earbuds for any reason, otherwise the earbuds may malfunction or burn, electronic breakdown or even completely  damage the product.
2. This product has built-in electric lithium-ion battery. It is forbidden to disassemble, impact, squeeze or put into fire. If there is serious swelling, please do not continue to use it.
3. Do not place the device in an environment where the temperature is too low or too high (below 0 ℃ or 45 ℃ or above). .
4. Do not use the device during thunderstorms. Thunderstorms can cause the device to malfunction and increase the risk of electric shock.

• This product has been inspected and qualified*

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