NETSTAT C77

User Manual

1. Product Overview

Thank you very much for purchasing this product. Please read the manual carefully before use.

Bluetooth 5.3 version with coverage range up to 5 meters

Reads USB stick for MP3/WAV format music playback

FM Transmitter (87.5 - 108.0 MHz) for car radio connection

Retractable Type-C cable with fast charging (PD 30W / QC 3.0)

Type-C charging port: 5V / 3.1A – for fast and efficient power supply

90° front-back rotation for easy adjustment

NETSTAT C77

2. Bluetooth Mode

  1. Insert the product into your car's socket, activate your phone's Bluetooth, search for the device with the name NETSTAT C77, press to connect and then match the FM frequency between the device and your car radio. After connecting, you can listen to music or talk hands-free.
  2. When you receive a call, a voice will tell you who is calling (phone number).
  3. Press the multi-function button to automatically answer the call.
  4. Hold down the multi-function button to reject the call.
  5. When using navigation on your phone, this device supports voice reporting for safer driving.
  6. On iOS, you need to increase the phone volume during first use.
NETSTAT C77 Bluetooth

3. USB Stick Playback

  1. Insert the USB stick. The product will automatically play the music saved on it.
  2. You can control the music volume using the (back) and (forward) buttons, and the volume can also be adjusted from your car's volume buttons.
NETSTAT C77 USB

4. FM Function

  1. To change the FM frequency, hold down the multi-function button to activate FM mode. When the screen flashes, use the and buttons to adjust the frequency.
  2. To change songs, short press and .
  3. The frequency range is 87.5 – 108.0 MHz. Choose an empty (unused) frequency for the best sound quality and avoid interference. Then match the device frequency with your car radio frequency.
NETSTAT C77 FM

5. Charging Function

  1. The device supports charging via retractable Type-C cable with output: PD30W/QC3.0, Type-C: 5V/3.1A
NETSTAT C77 Charging

6. Power-Off Memory

  1. When the product is turned off and restarted, Bluetooth will automatically reconnect to your phone. It will remember the FM frequency and automatically play the song from the USB stick where it left off before shutdown.

7. Technical Specifications

Working Voltage

12V-24V

Type-C Cable Output

PD30W/QC3.0

Type-C Output

5V/3.1A

Audio Formats

MP3/WAV

Bluetooth Version

V5.3

Bluetooth Distance

5 meters

Microphone Distance

0.5 – 2 meters

FM Frequency

87.5 – 108.0 MHz

8. Useful Tips

For optimal experience

  • The device has a built-in antenna – use an unoccupied FM frequency for clearer sound.
  • Adjust your car's radio volume to avoid distortion.
  • Some phones don't automatically reconnect to Bluetooth – in this case, press manually to play music.
  • If the volume during calls is low, manually adjust the volume on your phone or radio.
  • Don't use the device in environments with high temperature, dust, or moisture.
  • Remove the device from your car's cigarette lighter if you're not using it for a long period. Only reinsert it after starting the engine, to avoid possible damage caused by high voltage.
Problems Solutions
No sound from car radio Make sure the FM frequency of the device and radio match
Bluetooth not connecting Restart the device and reactivate your phone's Bluetooth
USB stick not recognized Check if the USB stick is in MP3/WAV format and try a different USB device

9. Technical Support for NETSTAT C77 FM Transmitter

Dear customers,

Thank you for choosing the NETSTAT C77 FM Transmitter! We are here to ensure that your experience with our product is as pleasant and trouble-free as possible. If you need technical support or assistance, please contact us through one of the following methods:

WhatsApp Contact

For quick and efficient assistance, you can contact us on WhatsApp at:

Email Contact

If you prefer to send us an email, our support address is:

Other Details and Questions

For any other questions or details regarding the NETSTAT C77 FM Transmitter, do not hesitate to contact us. We are here to provide all the necessary information and help you get the most out of your purchased product.

10. Warranty Certificate

Dear customer,

Thank you for purchasing our NETSTAT C77 FM Transmitter. This warranty certificate provides you with details about the warranty services you can access.

Warranty Period

Within 2 years from the date of purchase of this product, for all hardware products in the product package, if there is a quality problem, users with this warranty card enjoy free warranty service, in accordance with the national "Repair and Replacement of Microcomputer Goods" regulations.

Warranty Limitations

The warranty service is limited to products with quality problems and does not include compensation for buyers' interests, losses, and any direct or indirect damage caused by other unforeseen circumstances.

Circumstances Excluded from Warranty

Products falling under any of the following circumstances are not subject to the Three Guarantees:

  1. There is no valid Three Guarantees certificate and valid invoice (except those who can prove that the product is within the validity period of the Three Guarantees) or unauthorized modification of the Three Guarantees certificate.
  2. The product model and serial number on the Three Guarantees certificate do not match the actual product.
  3. The model number, serial number, or manufacturing date code on the product has been altered, erased, or become illegible.
  4. Defects are caused by excessive use beyond the intended use, such as continuous use in a commercial environment.
  5. Damage caused by not using, maintaining, and storing the product in accordance with the requirements of the product's instruction manual.
  6. Damage caused by the use of pirated software or computer viruses during use.
  7. Unauthorized maintenance service points or unauthorized personnel repair or modify the product.
  8. Damage caused by force majeure.
  9. During the use of the product, the wireless connection is lost due to accidents, signal interference, or other influencing factors.
  10. Normal wear and tear or natural wearing parts.
  11. Products that do not work properly because they are not used in the country in which they were originally designed, manufactured, or approved for use, imported products.

Warranty Method

  1. Within 7 days: According to the national "Three Guarantees" regulations, the product will be replaced if the product's appearance and packaging are complete. Return the product to the place of purchase with valid proof of purchase.
  2. Within 60 days: You can go to the place of purchase to replace the product or to the designated maintenance point for warranty. The replacement product will have the warranty valid for the remaining period of the retention period.
  3. Within 2 years: You can go to the designated maintenance point for warranty. The product will be replaced and delivered to your address.

Designated Maintenance Point

Address: Bucharest, Sector 4, Pridvorului Street 62, Block A, Entrance 1.

Postal Code: 041202

Phone: +40 747 637 970

For any clarification or additional information, do not hesitate to contact us at the phone number mentioned above.

Respectfully,

The NETSTAT Team