NUBWO S2 Bluetooth Wireless On-Ear Headphones User Manual

Introduction

Thank you for choosing the NUBWO S2 Bluetooth Wireless On-Ear Headphones. This manual provides detailed instructions on how to set up, operate, and maintain your headphones to ensure optimal performance and longevity. Please read this manual thoroughly before using the product.

Image: NUBWO S2 Bluetooth Wireless On-Ear Headphones, showcasing the black and orange design with adjustable headband and earcups.

Package Contents

Please check the package for the following items:

• 1 x NUBWO S2 Bluetooth Wireless Headset
• 1 x Micro USB Charging Cable
• 1 x 3.5mm Audio Cable (for wired use)
• 1 x User Manual
• Ear Cushions (pre-installed)

Product Overview

Familiarize yourself with the various components and controls of your NUBWO S2 headphones.

Image: Diagram illustrating the location of controls and ports on the NUBWO S2 headphones, including the USB charging port, 3.5mm Aux port, microphone, LED indicator, volume buttons, and multifunction button.

Controls and Ports:

• USB Charging Port: For connecting the Micro USB charging cable.
• 3.5mm Aux Port: For wired audio connection using the included 3.5mm audio cable.
• Microphone: Integrated for hands-free calling.
• LED Indicator: Displays power, charging, and Bluetooth pairing status.
• Volume + / Next Track Button: Press to increase volume; hold to skip to the next track.
• Volume - / Previous Track Button: Press to decrease volume; hold to go to the previous track.
• Multifunction Button (MFB):
  • Press and hold to Power On/Off.
  • Press once to Play/Pause music.
  • Press once to Answer/End a call.
  • Double-click to redial the last number.

Setup

1. Charging the Headphones

Before first use, fully charge your NUBWO S2 headphones.

1. Connect the Micro USB charging cable to the USB Charging Port on the headphones.
2. Connect the other end of the cable to a USB power source (e.g., computer USB port, USB wall adapter).
3. The LED indicator will illuminate during charging and change color or turn off when fully charged.

A full charge provides approximately 14 hours of playback time and up to 500 hours of standby time.

2. Powering On/Off

• To Power On: Press and hold the Multifunction Button until the LED indicator flashes.
• To Power Off: Press and hold the Multifunction Button until the LED indicator turns off.

3. Bluetooth Pairing

Pair your NUBWO S2 headphones with your Bluetooth-enabled device.

1. Ensure the headphones are powered off.
2. Press and hold the Multifunction Button for approximately 3 seconds until the LED indicator flashes rapidly (usually blue and red alternately), indicating pairing mode.
3. On your device (smartphone, tablet, computer), enable Bluetooth and search for available devices.
4. Select "NUBWO S2" from the list of found devices.
5. Once paired, the LED indicator will typically flash slowly or turn solid blue.

The headphones utilize Bluetooth 4.1 technology for a stable connection up to 10 meters (33 feet).

Image: Visual representation of NUBWO S2's Bluetooth 4.1 features, highlighting fast pairing, power saving, stable transmission, and a 10-meter working distance.

Operating Instructions

Music Playback

• Play/Pause: Press the Multifunction Button once.
• Next Track: Press and hold the Volume + button.
• Previous Track: Press and hold the Volume - button.
• Volume Up: Press the Volume + button.
• Volume Down: Press the Volume - button.

Hands-Free Calling

• Answer/End Call: Press the Multifunction Button once.
• Reject Call: Press and hold the Multifunction Button for 2 seconds.
• Redial Last Number: Double-click the Multifunction Button.

Wired Mode (3.5mm Audio Cable)

You can use the NUBWO S2 headphones as wired headphones when the battery is depleted or with non-Bluetooth devices.

• Connect one end of the 3.5mm audio cable to the 3.5mm Aux Port on the headphones.
• Connect the other end to the audio output jack of your device.
• In wired mode, Bluetooth functionality is disabled, and controls on the headphones may not function. Audio is controlled directly from your connected device.

Maintenance

To ensure the longevity and optimal performance of your NUBWO S2 headphones, follow these maintenance guidelines:

• Cleaning: Use a soft, dry cloth to clean the headphones. Do not use abrasive cleaners, alcohol, or chemical solvents.
• Storage: Store the headphones in a cool, dry place away from direct sunlight and extreme temperatures.
• Avoid Moisture: Do not expose the headphones to water or excessive moisture.
• Handle with Care: Avoid dropping or subjecting the headphones to strong impacts.
• Charging: Do not leave the headphones charging for extended periods after they are fully charged.

Troubleshooting

If you encounter issues with your NUBWO S2 headphones, refer to the following common solutions:

Specifications

Key technical specifications for the NUBWO S2 headphones:

• Model: S2
• Bluetooth Version: 4.1
• RF Range: 10 meters (33 feet)
• Driver Diameter: Ø40mm
• Impedance: 32Ω ±15%
• Frequency Response: 20-20KHz
• Signal-to-Noise Ratio (S/N Rate): >80dB
• Distortion: <1%
• Playback Time: Approximately 14 hours
• Standby Time: Approximately 500 hours
• Battery Type: Lithium Polymer (350mAH)
• Item Weight: 522 g
• Product Dimensions: 22.71 x 10.69 x 22.3 cm
• Connectivity: Bluetooth, 3.5mm Audio Jack
• Microphone: Built-in, Unidirectional
• Control Method: Touch (referring to button presses)
• Material: Plastic

Warranty and Support

NUBWO provides a 12-month worry-free technical support and after-sales service for the S2 Bluetooth Wireless On-Ear Headphones.

For any questions, technical assistance, or warranty claims, please contact NUBWO customer support through your purchase platform or the official NUBWO website. Please have your product model (S2) and purchase details ready when contacting support.