hisonic BS-SUN-690
Hisonic Bluetooth Children's Headphones User Manual
Model: BS-SUN-690
Introduction
This manual provides comprehensive instructions for the safe and effective use of your Hisonic Bluetooth Children's Headphones. Please read this manual thoroughly before using the product and retain it for future reference.

Image: Hisonic Bluetooth Children's Headphones, featuring a black design with illuminated blue LED lights on the earcups.
Important Safety Information
To ensure safe operation and prevent damage, please observe the following precautions:
- Volume Limit: The headphones feature an integrated volume limit of 85/94dB to protect children's hearing. Avoid prolonged listening at maximum volume.
- Choking Hazard: Keep small parts away from young children.
- Water Resistance: This product is not water-resistant. Avoid exposure to liquids.
- Charging: Use only the provided Type-C charging cable. Do not attempt to charge with damaged cables or chargers.
- Temperature: Do not expose the headphones to extreme temperatures (hot or cold) or direct sunlight for extended periods.
- Cleaning: Clean only with a soft, dry cloth. Do not use harsh chemicals or abrasive materials.
- Disassembly: Do not attempt to disassemble or modify the headphones. This will void the warranty and may cause damage.

Image: Side of the product packaging displaying a warning in German, advising against prolonged use to protect hearing.
Package Contents
Please check the package for the following items:
- Hisonic Bluetooth Children's Headphones (Model: BS-SUN-690)
- Type-C Charging Cable
- User Manual (this document)
- Audio Cable (3.5mm jack, detachable)

Image: Front of the product box featuring a child wearing the headphones, indicating the target user.
Product Overview
Familiarize yourself with the various parts of your Hisonic headphones:
- Adjustable Headband
- Soft Over-Ear Pads
- Power/Multi-function Button
- Volume Up / Next Track Button
- Volume Down / Previous Track Button
- LED Light Panel (7-colour flashing inverter LEDs)
- Built-in Microphone
- Type-C Charging Port
- 3.5mm Audio Jack
- Micro SD/TF Card Slot

Image: Front view of the Hisonic headphones, highlighting the location of buttons and ports on the earcup.

Image: A graphic illustrating the comfort features of the headphones, including adjustable headband, soft headband padding, over-ear soft pads, and colorful LED lights.
Setup
1. Charging the Headphones
Before first use, fully charge the headphones. A full charge takes approximately 1.5-2 hours.
- Connect the provided Type-C charging cable to the charging port on the headphones.
- Connect the other end of the cable to a USB power source (e.g., computer USB port, USB wall adapter).
- The LED indicator will show charging status (e.g., red for charging, off or blue for fully charged).
2. Bluetooth Pairing
To connect your headphones wirelessly:
- Ensure the headphones are charged and powered off.
- Press and hold the Power/Multi-function button until the LED indicator flashes blue and red alternately, indicating pairing mode.
- On your device (smartphone, tablet, laptop), enable Bluetooth and search for available devices.
- Select "Hisonic BS-SUN-690" (or similar) from the list of devices.
- Once paired, the LED indicator will flash blue slowly or remain solid blue.
The headphones will automatically attempt to reconnect to the last paired device when powered on.

Image: A graphic highlighting Bluetooth 5.3 technology for stable connections and a connection distance of up to 34 feet.
3. Wired Connection (3.5mm Audio Cable)
For non-Bluetooth devices or when the battery is depleted:
- Connect one end of the 3.5mm audio cable to the audio jack on the headphones.
- Connect the other end to the 3.5mm audio output of your device.
- The headphones will operate in wired mode, and Bluetooth functionality will be disabled.
4. Micro SD/TF Card Playback
To play music directly from a memory card:
- Insert a Micro SD or TF card (with music files) into the designated card slot on the headphones.
- The headphones will automatically switch to Micro SD/TF card playback mode.
- Use the playback controls on the headphones to manage your music.

Image: A graphic demonstrating the wide compatibility of the headphones with various devices, including laptops, tablets, smartphones, and dedicated kids' tablets.
Operating Instructions
Power On/Off
- Power On: Press and hold the Power/Multi-function button for approximately 3 seconds until the LED indicator lights up.
- Power Off: Press and hold the Power/Multi-function button for approximately 3 seconds until the LED indicator turns off.
Music Playback (Bluetooth/Micro SD/TF Card)
- Play/Pause: Short press the Power/Multi-function button.
- Volume Up: Short press the "Volume Up / Next Track" button.
- Volume Down: Short press the "Volume Down / Previous Track" button.
- Next Track: Long press the "Volume Up / Next Track" button.
- Previous Track: Long press the "Volume Down / Previous Track" button.
Call Functions (Bluetooth Mode)
When connected via Bluetooth, the built-in microphone allows for hands-free calls.
- Answer/End Call: Short press the Power/Multi-function button.
- Reject Call: Long press the Power/Multi-function button.
- Redial Last Number: Double-press the Power/Multi-function button.

Image: Two children engaged with a laptop while wearing the headphones, emphasizing the high-definition stereo microphone for voice calls and online classes.
LED Light Control
The headphones feature 7-colour flashing inverter LEDs on both sides.
- Note: The operation for controlling the LED lights may vary. Please refer to the quick start guide or product packaging for specific instructions on activating or deactivating the colorful LED lights.

Image: A graphic showcasing the headphones with different colorful LED light patterns on the earcups.

Image: A child resting with the headphones, illustrating the subtle glow of the colorful LED lights in a low-light environment.
Maintenance
- Cleaning: Wipe the headphones with a soft, dry, lint-free cloth. Do not use liquid cleaners, sprays, or solvents.
- Storage: When not in use, store the headphones in a cool, dry place, away from direct sunlight and extreme temperatures. The foldable design allows for compact storage.
- Battery Care: To prolong battery life, avoid fully discharging the battery frequently. Charge the headphones regularly, even if not in use for extended periods.
Troubleshooting
| Problem | Possible Solution |
|---|---|
| Headphones do not power on. | Ensure the headphones are fully charged. Connect to a power source and try again. |
| Cannot pair via Bluetooth. |
|
| No sound or low volume. |
|
| LED lights are not working. | Ensure the headphones are powered on. If there's a specific control for LEDs, ensure it's activated. |
| Microphone not working. |
|
Specifications
| Feature | Detail |
|---|---|
| Model | BS-SUN-690 |
| Bluetooth Version | V5.3 |
| Supported Profiles | A2DP, AVRCP, HSP, HFP |
| Speaker Diameter | 40 mm |
| Speaker Impedance | 32 ohm |
| Frequency Range | 24 Hz - 2.4 GHz |
| RF Range | 33 ft (10 meters) without obstacles |
| Sensitivity | 85-94 dB |
| Volume Limit | 85/94 dB |
| Battery Type | Lithium-ion battery |
| Battery Capacity | 400 mAh |
| Music Playback Time | Up to 15 hours |
| Charging Time | 1.5-2 hours |
| Charging Port | Type-C |
| Weight | 186 g |
| Dimensions | 18 x 8.5 x 18 cm |
| Material | Plastic |
| Microphone | Built-in, Stereo |
| Compatibility | Micro SD & TF card, Smartphones, tablets, laptops, car audio systems, devices with 3.5 mm audio jack |
| Special Features | Foldable design, 7-colour flashing inverter LEDs |
Warranty and Support
Hisonic products are designed for reliability and performance. For warranty information or technical support, please contact your retailer or visit the official Hisonic website. Keep your purchase receipt as proof of purchase.
Manufacturer: Shenzhen Hisonic Audio Products Co., Ltd.
Contact Email (as per packaging): pmdhenrich@gmail.com
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