Introduction
The ND Pulsar wireless Bluetooth headset offers a premium audio experience with advanced features designed for clarity and comfort. These in-ear smartbuds are equipped with Bluetooth 5.4, LE Audio readiness, a 4-mic matrix for smart call clarity, and a 13mm bio-driver for studio-grade sound. Enjoy over 36 hours of total playtime and effective noise reduction for an undisturbed listening experience.
Setup
1. Package Contents
Before you begin, ensure all items are present in the package:
- Pulsar Earbuds (1 pair)
- Type-C Charging Cable (1)
- Quick Start Guide (1)
- Included Ear Tips (S, M, L, HIFI) (4 pairs)
- Charging Case (1)
2. Charging the Device
For optimal performance, fully charge your ND Pulsar headset before first use.
- Connect the provided Type-C charging cable to the charging port on the case.
- Connect the other end of the cable to a 5V=1A power source.
- The charging case and earbuds will indicate charging status (specific indicator details not provided, refer to Quick Start Guide).
A full charge takes approximately 30 minutes for the earbuds, providing up to 5 hours of single playback and over 36 hours of total battery life with the charging case.
3. Pairing with Your Device
The ND Pulsar earbuds feature Flagship BT V5.4 with ultra-low latency and independent dual-side device connection, allowing each earbud to operate and connect separately.
- Open the charging case. The earbuds will automatically enter pairing mode.
- On your device (smartphone, tablet, computer), enable Bluetooth.
- Search for "ND Pulsar" in the list of available Bluetooth devices.
- Select "ND Pulsar" to connect. Once connected, you will hear an audio prompt.
The earbuds are multi-system compatible, supporting Android, Harmony, and iOS devices.
Operating Instructions
1. Wearing the Earbuds
The ND Pulsar earbuds are designed for all-day comfort with an ErgoFit design. They feature a 45° arc-shaped fit to the ear contour and weigh only 4.9g. Four pairs of ear tips (S, M, L, HIFI) are included to ensure a perfect fit for various ear canal sizes.
- Choose the ear tips that provide the most comfortable and secure fit.
- Gently insert each earbud into your ear canal, twisting slightly until it feels snug and stable.
2. Touch Controls
The earbuds feature HyperTouch 2.0 Smart Touch Engine for precise control.
| Function | Gesture |
|---|---|
| Music Play/Pause | Single Tap Either Earbud |
| Switch to Previous Track | Double Tap Left Earbud |
| Switch to Next Track | Double Tap Right Earbud |
| Answer Call | Single Tap Either Earbud |
| Decline Call | Long Press Either Earbud |
| Mode Switching (Music/Game) | Triple Tap Left Earbud |
| Wake Up Voice Assistant | Triple Tap Right Earbud |
3. Smart Call Noise Reduction
The ND Pulsar features Smart Adaptive Call Noise Control with Voice Enhancement Algorithm 3.0, utilizing a dual-side 4-mic acoustic system. This technology dynamically captures and boosts vocal range, suppressing environmental noise by up to -43dB. It also includes ND Storm Guard for 25km/h wind defense background blocking and ND Voice 3.0 for 4-mic smart call clarity, ensuring clear calls even in noisy environments (lab-verified in 85dB chaos).
Maintenance
To ensure the longevity and optimal performance of your ND Pulsar headset, follow these maintenance guidelines:
- Cleaning: Regularly clean the earbuds and charging case with a soft, dry, lint-free cloth. Avoid using abrasive materials or harsh chemicals.
- Ear Tips: Remove and clean the ear tips periodically with mild soap and water. Ensure they are completely dry before reattaching them to the earbuds.
- Charging Port: Keep the Type-C charging port free of dust and debris. Use a soft brush or compressed air if necessary.
- Storage: When not in use, store the earbuds in their charging case to protect them from dust, scratches, and accidental damage.
- Water Exposure: The ND Pulsar headset is NOT waterproof. Avoid exposure to water, rain, sweat, or any liquids to prevent damage.
- Temperature: Store and operate the device within recommended temperature ranges. Avoid extreme heat or cold.
Troubleshooting
If you encounter issues with your ND Pulsar headset, try the following solutions:
- No Sound/Poor Sound Quality:
- Ensure earbuds are properly seated in your ears and ear tips provide a good seal.
- Check the volume level on both your device and the earbuds.
- Make sure the earbuds are charged.
- Reconnect the earbuds to your device via Bluetooth.
- Clean any debris from the earbud nozzles.
- Earbuds Not Pairing:
- Ensure Bluetooth is enabled on your device.
- Place both earbuds back into the charging case, close the lid, wait a few seconds, then open it again to re-enter pairing mode.
- Forget/remove "ND Pulsar" from your device's Bluetooth list and try pairing again.
- Ensure earbuds are charged.
- One Earbud Not Working:
- Place both earbuds back in the charging case, close the lid, and then open it again.
- Check if both earbuds are charged.
- Try resetting the earbuds (refer to Quick Start Guide for specific reset instructions if available).
- Charging Issues:
- Ensure the charging cable is securely connected to both the case and the power source.
- Try a different Type-C cable or power adapter.
- Clean the charging contacts on both the earbuds and inside the case.
- Latency Issues (Audio/Video Sync):
- Ensure your device is within the 10m wireless range.
- Minimize interference from other wireless devices.
- The Flagship BT V5.4 chipset is designed for ultra-low latency, down to 60ms, providing excellent A/V sync. If issues persist, try restarting both the earbuds and your connected device.
Specifications
| General | |
|---|---|
| Brand | ND |
| Product Name | PULSAR |
| Model | Pulsar |
| Product Color | Jade Dew White, Midnight Gray |
| Material | Plastic |
| Weight (Earbud) | 0.88g (per earbud) |
| Style | TWS In-ear Headphones |
| Certification | CE |
| Origin | Mainland China |
| Audio | |
| Speaker Unit | 13mm Dynamic Driver (HyperBass Bio-Diaphragm) |
| Number of Drivers | 2 |
| Vocalism Principle | Dynamic |
| Active Noise-Cancellation | Yes |
| Noise Reduction (Call) | -43dB (Smart Call Noise Reduction) |
| Microphone System | Dual-Side 4-Mic Acoustic System (ND Voice 3.0) |
| Connectivity | |
| Wireless Type | Bluetooth |
| Bluetooth Version | V5.4 |
| Wireless Range | 10m+ |
| Communication | Wireless |
| Multi-System Compatibility | Android, Harmony, iOS |
| Power | |
| Charging Port | Type-C |
| Rated Input | 5V=1A |
| Earbud Battery Capacity | 40 mAh |
| Charging Case Battery Capacity | 400 mAh |
| Single Playback Time | ~5 Hours |
| Total Playtime (with case) | 36+ Hours |
| Physical Dimensions | |
| Charging Case Dimensions | 61mm (L) x 52mm (W) x 27mm (H) |
| Earbud Length | 30mm |
User Tips
- Optimal Fit: Experiment with all four sizes of ear tips to find the best fit for your ears. A good seal is crucial for both sound quality and effective noise reduction.
- Regular Charging: For uninterrupted use, make it a habit to place the earbuds back into the charging case when not in use.
- Clean Contacts: If you experience charging issues, gently clean the charging pins on the earbuds and the contacts inside the case with a dry cotton swab.
- Bluetooth Range: While the earbuds offer a 10m+ wireless range, maintaining a closer proximity to your connected device can enhance connection stability, especially in environments with high interference.
- Game Mode: Utilize the triple-tap left earbud gesture to switch to game mode for even lower latency during gaming sessions.
Warranty and Support
For warranty information, technical support, or service inquiries, please refer to the documentation provided with your purchase or contact the retailer/manufacturer directly. Keep your proof of purchase for warranty claims.
