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Sustainable Wireless Headphones FAQ

  • Updated

General Information

Q: What comes in the box?
A: The package includes:

  1. Sustainable wireless headphones

  2. USB-A to USB-C charging cable (30cm, recycled TPE)

  3. User guide

  4. Warranty card (not pictured)

Q: What are the headphones made from?
A:

  • Recycled ABS, PU, and Silica Gel materials

  • The charging cable is made from recycled TPE to reduce plastic waste

Q: What are the main parts of the headphones?
A:

  1. Volume Up / Next Track button

  2. Multi-Function Button (MFB)

  3. Volume Down / Previous Track button

  4. Indicator lights

  5. AUX port

  6. USB-C charging port

  7. Microphone

  8. Power button

Power & Operation

Q: How do I turn the headphones on and off?
A:

  • On: Hold the Power button for 3 seconds → white light + ascending tone

  • Off: Hold the Power button for 3 seconds → white light + descending tone

Q: What do the indicator lights mean?
A:

StatusIndicator Light
Power On / PairingWhite light flashing
ConnectedWhite light slow flash
ChargingIce-blue light solid
Fully ChargedIce-blue light off

Bluetooth Pairing

Q: How do I pair the headphones with my device?
A:

  1. Hold the Power button for 3 seconds to turn on.

  2. The white light flashes rapidly – this means the headphones are in pairing mode.

  3. On your phone or device, search for and select “CE220803” in the Bluetooth list.

  4. Once connected, the white light blinks slowly.
    ⚠️ If not connected within 3 minutes, the headphones power off automatically.

Controls

Q: What can I control using the buttons?
A:

FunctionAction
Power OnHold Power (3s)
Power OffHold Power (3s)
Play/PausePress MFB once
Answer/End CallPress MFB once
Reject CallHold MFB (2s)
Redial Last NumberDouble press MFB
Next TrackHold Volume+ (1s)
Previous TrackHold Volume– (1s)
Volume UpPress Volume+ once (16 levels)
Volume DownPress Volume– once (16 levels)

AUX Mode

Q: Can I use the headphones in wired mode?
A: Yes.

  • Plug in a 3.5mm AUX cable (not included).

  • The headphones will turn off automatically and play audio directly from the connected device.

Charging

Q: How do I charge the headphones?
A:

  1. Use the included USB-C cable.

  2. Connect to a computer or USB power adapter.

  3. Charging: Ice-blue light stays on.

  4. Fully charged: Ice-blue light turns off.

Q: How long does it take to charge?
A: Approximately 2 hours.

Q: How long does the battery last?
A: Up to 18 hours of playback at 70% volume.

Technical Specifications

  • Charging Current: 5V 0.15A

  • Bluetooth Version: 5.3

  • Battery Capacity: 250mAh

  • Charging Time: ~2 hours

  • Playback Time: ~18 hours (70% volume)

  • Receiver Sensitivity: –85dBm

  • Max Output Power: 10mW

  • Frequency Response: 20Hz–20kHz

  • Signal-to-Noise Ratio (SNR): 90dB

  • Bluetooth Range: ≥10 meters

  • Bluetooth Frequency Band: 2402MHz–2480MHz

  • Impedance: 32Ω

  • Driver Size: 40mm

Sustainability

Q: What makes these headphones sustainable?
A:

  • Made with recycled plastics and eco-friendly materials.

  • Packaged with minimal plastic.

  • USB cable is made from recycled TPE.

  • Designed for long battery life and reduced waste.

Safety & Care

Q: What safety precautions should I follow?
A:

  • Do not expose to water, moisture, or extreme heat.

  • Avoid prolonged listening at high volumes.

  • Use only the provided USB cable for charging.

  • Keep out of reach of children and pets.

  • Disconnect the charger once the headphones are fully charged.