DirectSound EXTW37 TWS Bluetooth Headphone User Manual

Table of Contents

DirectSound EXTW37 TWS Bluetooth Headphone

【No.：V1.0】

Thanks for choosing the first and only EXTW37 Bluetooth True Wireless headphone. Please charge the headset and read the manual carefully before using.

1. Product description and features.

1.1 Appearance

MIC
Micro USB：DC5V charge port
On/off button，indicator light: single press to turn on, and press 2 seconds to enter paring, press 3 seconds to turn off.

1.2 Feature：

TWS two channel High Precision Audio (HPA) wireless Bluetooth headphone
Easy to operate with single button design.
Large battery capacity, long time usage.
HPA speaker driver, bass sound, tenor clear, high pitched loud and clear.
Saves power intelligently: Turns off automatically after 10 minutes after no connection.

2. How to use

2.1 General operation:

3. Pairing

3.1. Initialize the R channel headset, L channel headset interconnection

3.1.1. Red is R channel, black is L channel.

3.1.2. Press R channel for 2 seconds to enter pairing mode, red and blue light will alternately flash with beep sound.

3.1.3. Press L channel for 2 seconds to enter pairing mode, red and blue light will alternately flash with beep sound.

3.1.4. Press R channel for 2 times and press L channel for 2 times, waiting for interconnection, blue indicator light will flash slowly.

3.1.5. R and L channel will work together, and when open next time, no need R and L channel pairing operation.

(If first operation failed, please retry according to above steps)

3.2.Headphone and phone pairing

3.2.1 Press R channel for 2 seconds to enter pairing mode, red and blue light will alternately flash with beep sound.

3.2.2 Open the Bluetooth function on your phone/pad, search and and waiting for ‘EXTW37’ pairing name.

3.2.3 Click ‘EXTW37’ to pair. The indicator will flash slowly after paired, you can answer calls and play music.

3.3 Pairing with computer

3.3.1 If your PC does not have Bluetooth, you can use Bluetooth USB adapter above 4.0(not included),and install the Bluetooth.

3.3.2 Turn on headphone and into pairing mode.

3.3.3 Open the Bluetooth menu installed on your PC, and search.

3.3.4 After a few seconds EXTW37 ‘will show on the list of active Bluetooth unit; choose connect.

3.3.5 After connected successfully, you can play music via the headphone.

4. Charge

Warning！

Please use charger with safety certification or regular manufacturers .
Do not charge in your pocket, parcels, near flammable debris or in a damp, high temperature environment.

Please charge the headphone with dual Micro USB Viper Coil cable provided. The indicator light will keep red on when charging and blue indicator light is on when battery is full.

For the first time, please extend charging time. iPhone and Xiaomi phone can see the status of battery level directly.