Introduction
Thank you for choosing the adj Deep Plus 2.0 Bluetooth Headphones. This manual provides detailed instructions for setting up, operating, maintaining, and troubleshooting your new headphones. Please read this manual carefully before use to ensure optimal performance and longevity of your device.
What's in the Box
Verify that all the following items are included in your package:
- adj Deep Plus 2.0 Bluetooth Headphones
- USB Charging Cable (Micro USB)
- 3.5mm Audio Cable
- Headphone Case
- User Manual (this document)
Product Overview
Familiarize yourself with the components and controls of your adj Deep Plus 2.0 headphones.
Figure 1: Front view of the adj Deep Plus 2.0 Bluetooth Headphones, showcasing the overall design and earcups.
Figure 2: Side view of the headphones, highlighting the control buttons located on the earcup.
Controls and Ports:
- Power Button: Used to turn the headphones on/off and for Bluetooth pairing.
- Volume Up/Next Track Button: Increases volume with a short press, skips to the next track with a long press.
- Volume Down/Previous Track Button: Decreases volume with a short press, goes to the previous track with a long press.
- Multi-function Button (MFB): Play/Pause, Answer/End calls.
- Micro USB Charging Port: For charging the headphones.
- 3.5mm AUX Port: For wired audio connection.
- Microphone: For hands-free calling.
- LED Indicator: Displays power, charging, and pairing status.
Setup
1. Charging the Headphones
Before first use, fully charge the headphones. A full charge takes approximately 2 hours.
- Connect the Micro USB end of the charging cable to the charging port on the headphones.
- Connect the USB-A end of the charging cable to a USB power adapter (not included) or a computer's USB port.
- The LED indicator will illuminate during charging and turn off or change color once fully charged.
Figure 3: Micro USB charging port location.
2. Bluetooth Pairing
Pair your headphones with a Bluetooth-enabled device (e.g., smartphone, tablet, laptop).
- Ensure the headphones are fully charged and turned off.
- Press and hold the Power button for approximately 5-7 seconds until the LED indicator flashes blue and red alternately, indicating pairing mode.
- On your device, enable Bluetooth and search for available devices.
- Select "adj Deep Plus 2.0" from the list of found devices.
- Once paired, the LED indicator will flash blue slowly, and you will hear an audible confirmation.
The headphones will automatically attempt to reconnect to the last paired device when powered on.
3. Wired Connection (AUX Mode)
You can use the headphones with non-Bluetooth devices or when the battery is depleted using the included 3.5mm audio cable.
- Connect one end of the 3.5mm audio cable to the AUX port on the headphones.
- Connect the other end to the 3.5mm audio output jack of your device.
- The headphones will automatically switch to AUX mode. Bluetooth functionality will be disabled in this mode.
Operating Instructions
Power On/Off
- Power On: Press and hold the Power button for approximately 3 seconds until the LED indicator flashes blue and you hear a power-on tone.
- Power Off: Press and hold the Power button for approximately 3 seconds until the LED indicator flashes red and you hear a power-off tone.
Music Playback
- Play/Pause: Press the Multi-function Button (MFB) once.
- Next Track: Long press the Volume Up button.
- Previous Track: Long press the Volume Down button.
Call Management
- Answer/End Call: Press the Multi-function Button (MFB) once.
- Reject Call: Press and hold the Multi-function Button (MFB) for 2 seconds.
- Redial Last Number: Double-press the Multi-function Button (MFB).
Volume Control
- Increase Volume: Short press the Volume Up button.
- Decrease Volume: Short press the Volume Down button.
Maintenance
Proper care and maintenance will extend the lifespan of your headphones.
- Cleaning: Use a soft, dry cloth to clean the headphones. Do not use abrasive cleaners or solvents.
- Storage: When not in use, store the headphones in the provided headphone case to protect them from dust and damage. Avoid storing in extreme temperatures.
- Battery Care: To preserve battery life, charge the headphones regularly, even if not used frequently. Avoid fully discharging the battery for extended periods.
- Water Resistance: These headphones are not waterproof. Avoid exposure to water or excessive moisture.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Headphones do not power on. | Low battery. | Charge the headphones fully. |
| Cannot pair with device. | Headphones not in pairing mode; Bluetooth disabled on device; device too far. | Ensure headphones are in pairing mode (flashing blue/red). Enable Bluetooth on your device. Move device closer to headphones (within 10m). |
| No sound or low volume. | Volume too low on headphones or device; incorrect audio source; headphones not connected. | Increase volume on both headphones and device. Ensure headphones are properly paired or connected via AUX cable. Check if the correct audio output is selected on your device. |
| Sound quality is poor. | Interference; device too far; low quality audio file. | Move away from sources of interference (e.g., Wi-Fi routers). Move device closer. Try a different audio source or file. |
| Microphone not working. | Microphone muted on device; headphones not selected as input device. | Check microphone settings on your device. Ensure the headphones are selected as the primary input device for calls. |
Specifications
| Model Name | Deep Plus 2.0 |
| Model Number | 780-00062 |
| Bluetooth Version | V5.1 |
| Battery Type | Lithium |
| Battery Capacity | 400 mAh |
| Standby Time | Approx. 100 hours |
| Talk/Music Playback Time | Approx. 15 hours |
| Charging Time | Approx. 2 hours |
| Speaker Size | Ø 40 mm |
| Transmission Range | ≥ 10 m |
| Frequency Range | 20 Hz - 20 KHz |
| Impedance | 32 Ohm ±15% |
| SNR (Signal-to-Noise Ratio) | 99dB±3dB |
| Microphone Sensitivity | -42dB±3dB |
| Audio Interface | AUX (3.5mm Jack) |
| Rated Input | 5 V ~ 500 mA |
| Product Weight | 160 g |
| Material | Plastic |
| Water Resistance | Not waterproof |
Warranty and Support
For warranty information and technical support, please refer to the official adj website or contact their customer service.
Official Website: www.adj.it
Please retain your proof of purchase for any warranty claims.
