Headphone User Manual

1. Product Function Instructions

Diagram of the headphones.

Diagram of the right earcup showing controls and ports:

• ➖ ① "-": Volume down/Previous song
• ▶️ ② "/": Multi-function button
• ➕ ③ "+": Volume up/Next song
• ? ④ 3.5mm jack
• ? ⑤ Bluetooth indicator
• ? ⑥ Microphone
• ? ⑦ USB Type C charging port

2. Product Operation Instructions

2.1 Power on/off

• Turn on: In power-off status, press and hold the power on ② button for 2 seconds. The blue light will be on for about 2 seconds, then blue and red lights will blink alternately, indicating the headphone has entered pairing mode.
• Turn off: In power-on status, press and hold the ② button for 2 seconds. The indicator light will go off.

2.2 Pairing

Turn on the Bluetooth switch of your mobile phone or other devices (e.g., PC, Tablet). Enter the Bluetooth list and search for the pairing name "MUSIC SOUND". When "MUSIC SOUND" appears on the list, click it to connect the headset to your device. Once paired successfully, the blue indicator blinks every 6 seconds.

2.3 Music Playing

• Volume up: Click the "+" button.
• Volume down: Click the "-" button.
• Next song: Press and hold the "+" button for around 2 seconds.
• Previous song: Press and hold the "-" button for around 2 seconds.
• Music play/pause: Click the ② button.

2.4 Calling (Mobile)

• Answer call: Click the ② button when a call is coming.
• End call: Click the ② button when a call is over.
• Cancel call: Click the ② button when calling.
• Reject call: Press and hold the ② button for around 2 seconds when a call is coming.
• Redial: Double click the ② button to redial the last call number.

2.5 Reset

Press and hold the "+" and "-" buttons simultaneously for around 3 seconds until the red and blue indicators blink alternately.

2.6 Siri or Google Assistant

In standby mode or music mode, click the ② button 3 times to activate Siri or Google Assistant.

3. Bluetooth Indicator Instruction

4. AUX Mode

Connect one end of the 3.5mm audio cable into the audio jack of the headset. Connect the other end into your mobile or other devices to play music directly.

Note: The headphone will power off once the 3.5mm audio cable is plugged into the audio jack (when the headphone is powered on). If you need to turn on the headphone, the 3.5mm audio cable must be removed from the headphone.

5. Charging Instruction

Before using, please check and ensure the battery is sufficient. When the headphone is low on battery, use the Type-C charging cable to charge. The charging indicator will be red while charging. Once fully charged, the indicator will turn off.

Diagram showing charging: A USB Type-C cable connects to a power source and the headphone's charging port. A close-up view shows the headphone's side with the 3.5mm audio jack and USB Type-C charging port.

6. Technical Parameters

FCC Statement

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.
• (2) This device must accept any interference received, including interference that may cause undesired operation.

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 requirement. The device can be used in portable exposure condition without restriction.