Tustin EP42 True Wireless Stereo Earbuds User Guide

Tustin True Wireless Stereo Earbuds
SKU: EP42
User Guide

Thank you very much for choosing Tustin True Wireless Stereo (TWS) Earbuds. Please read this Guide carefully before use and keep it in a safe place for future reference.

1. Dust-proof mesh
2. Multi-function button
3. Mic phone
4. Charging port
5. Charging box button
6. Charging port

Specifications

No wires, no tangling, Tustin True Wireless Stereo (TWS) Earbuds can reproduce high-quality stereo sound when connected as Stereo Mode. Each earbud can also be connected to a Bluetooth device independently as a Single-mode.

The earbuds can be connected as Stereo Mode or Single Mode. Please follow the instructions below for connecting as different modes.

1. Pair with stereo mode in 3 steps
   Step 1. Press and hold the multi-functional button ② of both earbuds until both led indicators blink in blue and red alternately.
   Step 2. Turn on Bluetooth on your device and connect”Tustin TWS” to the searching list.
   Step 3. After the confirmation voice”The Bluetooth device is connected successfully.” is heard, your earbuds are ready to play.

2. Pair with Single-Mode in 3 steps
   Step 1. Press and hold the multi-function button of the earbud to be used until the led indicator blinks in red and blue alternately.
   Step 2. Turn on the Bluetooth on your device and pair”Tustin TWS” in the searching list.
   Step 3. After the confirmation voice”The Bluetooth device is connected successfully.” is heard, your earbud is ready to play.

Controls

1. To answer or make a phone call
   To answer the call, press the multi-function button once; to refuse the call, double press the multi-function button. To dia the most recent phone number, double press the multi-function button.

2. To play music
   Press the power button to pause the music and press again to resume the music playing.

3. To turn off earbuds
   The earbuds will be turned off automatically when they are disconnected or idled for over 5 minutes. Or they can be manually turned off by pressing both multi-function buttons for over 10 seconds until the red indicators blink.

4. To charge earbuds
   The earbud’s battery power is low when you hear the battery low alert, and see the led indicator links in red. Please place the earbuds into the charging box and press the charging box button ⑤ to charge. The earbud’s LED indicator will be in constant red color when charging and turn in blue when fully charged. Please be noted that the earbuds would be turned off automatically when fully charged.

5. Charging box
   Press the charging box button ⑤ once to check the battery power: blue for normal battery power, red for low battery power. The charging case indicator blinks in red when charging and displays constant red when fully charged.

Cautions

1. Do not attempt to replace the earbuds battery or charging case battery yourself.
2. Do not put the device close to the fire, into the fire or water.
3. Use the earbuds within the 32-foot range, without obstacles between the earbuds and the Bluetooth device.
4. Keep the earbuds away from WIFI, router, or other hi-frequency radiation devices that may affect the efficiency of Bluetooth connection.

FCC Caution

This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.

Any changes or modifications not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment.

Note: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:
-Reorient or relocate the receiving antenna.
-Increase the separation between the equipment and receiver.
-Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
-Consult the dealer or an experienced radio/TV technician for help.

The device has been evaluated to meet general RF exposure requirements. The device can be used in portable exposure conditions without restriction.

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