Introduction
Welcome to the user manual for your Srhythm NC35 Wireless Noise Cancelling Headphones. These headphones are designed to provide an immersive audio experience with advanced Active Noise Cancellation (ANC) technology, ensuring up to 90% reduction of low-frequency sounds in noisy environments. Featuring Bluetooth 5.0 for stable connectivity, a lightweight and foldable design for portability, and an impressive battery life of over 50 hours on a single charge, the NC35 is built for comfort and convenience. This manual will guide you through the setup, operation, maintenance, and troubleshooting of your new headphones.
Package Contents
Upon opening your Srhythm NC35 package, please verify that all the following items are included:
- Srhythm NC35 Headphones
- Portable Carry Case
- 3.5mm Audio Cable (120cm/47.24 inch)
- Type-C Charging Cable (100cm/39.37 inch)
- 3.5mm to 6.35mm Adapter (Compatible with Pro audio equipment)
- Aircraft Adapter (Only use for airplane)
- Quick Start Guide
- User Manual (Digital version available)

Product Overview
The Srhythm NC35 headphones are designed for comfort and ease of use. They feature soft, breathable memory foam earcups and an adjustable headband for a secure and comfortable fit during extended listening sessions. The headphones are lightweight, weighing only 194g, and boast a foldable design with earcups that can rotate 100°-120° for compact storage and portability.



Setup
Charging the Headphones
Before first use, fully charge your Srhythm NC35 headphones. Connect the provided Type-C charging cable to the charging port on the headphones and the other end to a USB power source (e.g., computer USB port, wall adapter). The LED indicator will show charging status. A full charge typically takes 1-2 hours and provides over 50 hours of playback time. A quick 10-minute charge can provide up to 3 hours of autonomy.

Pairing with Bluetooth Devices
- Ensure the headphones are turned off.
- Press and hold the Power button for approximately 3 seconds until the LED indicator flashes blue and red, indicating pairing mode.
- On your device (smartphone, tablet, computer), enable Bluetooth and search for available devices.
- Select "Srhythm NC35" from the list of found devices.
- Once connected, the LED indicator will turn solid blue.
The headphones utilize Bluetooth 5.0 for a stable and efficient wireless connection, with a range of up to 10 meters.
Operating Instructions
Power On/Off
- Power On: Press and hold the Power button for approximately 3 seconds until the LED indicator lights up.
- Power Off: Press and hold the Power button for approximately 3 seconds until the LED indicator turns off.
Active Noise Cancellation (ANC)
The Srhythm NC35 features advanced ANC technology to reduce ambient noise. This is particularly effective for low-frequency sounds found in environments like airplanes, trains, offices, or busy streets.
- Activate ANC: Locate the ANC switch on the headphone earcup and slide it to the "ON" position. The ANC indicator light will illuminate.
- Deactivate ANC: Slide the ANC switch to the "OFF" position.
ANC can be used independently, even when the headphones are not connected via Bluetooth or playing audio, allowing you to simply reduce noise for peace and quiet.

Audio Playback and Calls
The NC35 headphones provide high-definition audio with deep bass and clear stereo frequencies. They also feature an integrated microphone for hands-free calls.
- Play/Pause: Press the Multi-function button once.
- Next Track: Press and hold the Volume Up button.
- Previous Track: Press and hold the Volume Down button.
- Volume Up: Short press the Volume Up button.
- Volume Down: Short press the Volume Down button.
- Answer/End Call: Press the Multi-function button once.
- Reject Call: Press and hold the Multi-function button for 2 seconds.
For wired listening, connect the provided 3.5mm audio cable to the headphone's audio jack and your device. This mode is useful when the battery is low or for devices without Bluetooth.
Voice Assistant
The Srhythm NC35 headphones support voice control through popular voice assistants like Siri. To activate your device's voice assistant, press the Multi-function button twice quickly. Ensure your device's voice assistant feature is enabled and configured.

Maintenance
Proper maintenance will extend the life and performance of your Srhythm NC35 headphones.
- Cleaning: Use a soft, dry cloth to clean the surfaces of the headphones. Do not use abrasive cleaners or solvents.
- Storage: When not in use, store the headphones in their portable carry case to protect them from dust, scratches, and impacts. Store in a cool, dry place.
- Battery Care: To maintain battery health, avoid fully discharging the battery frequently. Charge the headphones regularly, even if not used for extended periods.
- Water Resistance: The headphones are water-resistant, but not waterproof. Avoid exposing them to excessive moisture or submerging them in water.
Troubleshooting
If you encounter any issues with your Srhythm NC35 headphones, please refer to the following table for common problems and their solutions.
| Problem | Possible Cause | Solution |
|---|---|---|
| Headphones do not power on. | Low battery. | Charge the headphones fully using the provided Type-C cable. |
| Cannot pair with Bluetooth device. | Headphones not in pairing mode; device Bluetooth off; too far from device. | Ensure headphones are in pairing mode (flashing blue/red LED). Turn on Bluetooth on your device. Move headphones closer to the device (within 10 meters). |
| No sound or low volume. | Volume too low on headphones or device; incorrect audio source; headphones not connected. | Increase volume on both headphones and connected device. Ensure headphones are properly paired or connected via audio cable. Check audio output settings on your device. |
| Active Noise Cancellation (ANC) not effective. | ANC switch off; high-frequency noise present. | Ensure the ANC switch is in the "ON" position. ANC is most effective against low-frequency, constant noises, not sudden or high-pitched sounds. |
| Sound distortion. | Weak Bluetooth signal; audio file quality; volume too high. | Move closer to the Bluetooth device. Try playing a different audio file. Reduce the volume. |
Specifications
Key technical specifications for the Srhythm NC35 Wireless Noise Cancelling Headphones:
| Feature | Detail |
|---|---|
| Model | NC35 |
| Brand | Srhythm |
| Connectivity Technology | Wireless (Bluetooth 5.0) |
| Headphone Jack | 3.5 mm |
| Noise Control | Active Noise Cancellation |
| Impedance | 32 Ohm |
| Form Factor | Over-ear |
| Material | Plastic |
| Item Weight | 190 grams |
| Product Dimensions | 21 x 15 x 8 cm |
| Battery Life | 50+ Hours (average) |
| Microphone Form Factor | Integrated |
| Frequency Response | 20 Hz - 20 kHz |
| Wireless Range | Up to 10 meters |
| Water Resistance Level | Water Resistant |
Warranty and Support
Your Srhythm NC35 headphones come with a 24-month service warranty from the date of purchase. This warranty covers manufacturing defects and ensures peace of mind regarding your product's quality.
For technical support, warranty claims, or any inquiries regarding your Srhythm product, please visit the official Srhythm store on Amazon or contact their customer service directly. You can find more information and contact details at the Srhythm Brand Store.





