1. Product Overview
The Ankbit E500Pro headphones feature Hybrid Active Noise Cancellation (ANC) technology, designed to reduce up to 95% of mid- and low-frequency ambient sound. They offer superior Hi-Fi stereo sound with deep bass, powered by dual 40mm dynamic drivers. With up to 60 hours of playtime (ANC off) and 40 hours (ANC on), these headphones are built for extended use. They include 5 ANC microphones with advanced ENC and Sound call noise reduction for crystal-clear calls, and support Bluetooth 5.0 for stable dual connections. The lightweight design, adjustable headband, ultra-soft protein leather earcups, and foldable structure ensure comfort and portability.
2. What's in the Box
- 1x Ankbit E500Pro Active Noise Cancelling Headphones
- 1x Type-C Charging Cable
- 1x USB C to 3.5mm Audio Cable
- 1x Carrying Bag

3. Product Layout and Controls
The Ankbit E500Pro headphones feature intuitive controls located on the right earcup for easy access to power, volume, track control, and ANC modes.

- Power/Pairing Button: Short press for pause/play, double tap for voice assistant, long press for power on/off or Bluetooth pairing.
- Volume + / Next Track: Short press for volume up, long press for next song.
- Volume - / Previous Track: Short press for volume down, long press for previous song.
- ANC Switch: Toggles between ANC On, Transparency Mode, and ANC Off.
- Type-C Charging Port: For charging the headphones.
- 3.5mm Audio Jack: For wired connection (located on the left earcup, not visible in this specific image but part of the design).

4. Setup
4.1 Bluetooth Pairing
- Ensure the headphones are powered off.
- Press and hold the Power/Pairing button until the indicator light flashes red and blue, indicating pairing mode.
- On your device (smartphone, tablet, etc.), activate Bluetooth and search for "E500Pro" in the list of available devices.
- Select "E500Pro" to connect. The indicator light will turn solid blue upon successful pairing.
4.2 Dual Device Connection
The E500Pro headphones support simultaneous connection to two Bluetooth devices.
- Pair the headphones with the first device (e.g., Phone 1) as described in section 4.1.
- Deactivate Bluetooth on Phone 1. The headphones will re-enter pairing mode.
- Activate Bluetooth on the second device (e.g., Phone 2) and pair with "E500Pro".
- Reactivate Bluetooth on Phone 1. The headphones will automatically reconnect to both devices.
4.3 Wired Connection
Use the included USB C to 3.5mm audio cable for a wired connection to devices without Bluetooth or when the battery is depleted.
- Plug the USB-C end of the audio cable into the headphone's Type-C port.
- Plug the 3.5mm jack into your audio source (computer, phone, etc.).
- The headphones will automatically switch to wired mode.

5. Operating Instructions
5.1 Active Noise Cancellation (ANC) & Transparency Mode
The ANC feature reduces external noise, while Transparency Mode allows you to hear your surroundings without removing the headphones.
- Locate the ANC switch on the right earcup.
- Slide the switch to activate ANC On, Transparency Mode, or ANC Off.

5.2 Gaming Mode
Activate Gaming Mode for ultra-low latency during gameplay or video playback.
- Press the Power/Pairing button three times quickly to switch between Game Mode and Music Mode.
5.3 One-Button Mute
During calls, you can mute the microphone with a quick action.
- Press the ANC button three times to mute the microphone.
- Press the ANC button three times again to unmute the microphone.
6. Maintenance
6.1 Charging
Charge your headphones using the provided Type-C charging cable.
- A full charge takes approximately 1.5 hours.
- A 10-minute quick charge provides up to 4 hours of playtime.
- The battery indicator light will show charging status.

6.2 Cleaning
Wipe the headphones with a soft, dry cloth. Do not use harsh chemicals or abrasive materials.
7. Troubleshooting
7.1 Resetting the Headphones
If you experience connectivity issues or unexpected behavior, you can reset the headphones to factory settings.
- Ensure the headphones are powered on.
- Press and hold the Volume "+" and Volume "-" buttons simultaneously for 5 seconds.
- The indicator light will flash white 3 times, confirming the reset is complete.
8. Specifications
| Feature | Detail |
|---|---|
| Model Name | E500Pro |
| Noise Control | Hybrid Active Noise Cancellation |
| Connectivity Technology | Bluetooth, Wired, Wireless (NFC) |
| Bluetooth Version | 5.0 |
| Bluetooth Range | 65 Feet (20m) |
| Battery Life | Up to 60 Hours (ANC off), 40 Hours (ANC on) |
| Charging Time | 1.5 Hours |
| Audio Driver Type | Dynamic Driver (40mm) |
| Microphones | 5 ANC Microphones with ENC and Sound Call Noise Reduction |
| Headphones Jack | 3.5 mm Jack (USB-C to 3.5mm cable included) |
| Ear Placement | Over Ear |
| Item Weight | 9 ounces (0.56 Pounds) |
| Material | Plastic |
9. Warranty & Support
Ankbit products are designed for reliability and performance. For warranty information, please refer to the documentation included in your product packaging or visit the official Ankbit website. If you encounter any issues or require technical assistance, please contact Ankbit customer support through their official channels. Keep your purchase receipt for warranty claims.
For further assistance, please visit the Ankbit Store on Amazon.