JH-820 Wireless Headphones User Manual
1. Product Function Instruction
The JH-820 headphones feature several controls for managing audio playback, calls, and device settings.
- [Volume Up / Next Track Button] (+): Increases volume or skips to the next track when held.
- [Volume Down / Previous Track Button] (-): Decreases volume or skips to the previous track when held.
- [Multi-function Button] ( ): Controls power, music playback, calls, and voice assistants.
Indicators:
- Bluetooth Indicator: Shows Bluetooth connection status.
- Charging Indicator: Shows charging status.
Ports:
- 3.5mm Jack: For wired audio connection.
- Type-C Charging Port: For charging the device.
- Microphone: For calls and voice commands.
2. Product Operation Instructions
2.1 Power On/Off
- Power On: Press and hold the [Multi-function Button] for approximately 2 seconds. The red and blue indicators will blink alternately, indicating pairing status.
- Power Off: Press and hold the [Multi-function Button] for approximately 3 seconds. The red indicator will be solid for about 1 second and then turn off.
2.2 Pairing
- Turn on the Bluetooth switch on your mobile phone or other device (e.g., PC, Tablet).
- Enter the Bluetooth list and search for the pairing name "JH-820".
- Click "JH-820" on the list to connect the headset.
- Once paired successfully, the blue indicator will blink every 6 seconds.
2.3 EQ Mode Switch
There are three EQ modes available: Bass mode, Pop mode, and Vocal mode. While music is playing, click the [Multi-function Button] to switch between different EQ modes.
2.4 Music Playing
- Volume Up: Click the [Volume Up / Next Track Button].
- Volume Down: Click the [Volume Down / Previous Track Button].
- Next Song: Press and hold the [Volume Up / Next Track Button] for about 2 seconds.
- Previous Song: Press and hold the [Volume Down / Previous Track Button] for about 2 seconds.
- Music Play/Pause: Click the [Multi-function Button].
2.5 Calling (Mobile)
- Answer Call: Click the [Multi-function Button] when a call is incoming.
- End Call: Click the [Multi-function Button] when a call is in progress.
- Cancel Call: Click the [Multi-function Button] while initiating a call.
- Reject Call: Press and hold the [Multi-function Button] for about 2 seconds when a call is incoming.
- Redial: Double-click the [Multi-function Button] to redial the last called number.
2.6 Reset
Click the [Multi-function Button] 5 times continuously until the red and blue indicators flash alternately to reset the device.
2.7 Siri or Google Assistant
In standby or music mode, press and hold the [Multi-function Button] for about 2 seconds to activate Siri or Google Assistant.
Low Battery Alert
The red indicator will flash slowly, accompanied by a voice tone "didi," when the battery is low.
3. Bluetooth Indicator Instruction
| Status | Indicator Behavior |
|---|---|
| Connect successfully | The blue indicator blinks every 6 seconds. |
| Pairing status | The red and blue indicator blink alternately. |
| Reset | The red and blue indicator blink alternately. |
| Listen to music | The blue indicator blinks every 6 seconds. |
| Charge fully | The indicator will be solid blue. |
| Power off | The red indicator will be on around 1 second then goes off. |
| Charging | The indicator will be solid red. |
4. AUX Mode
- Connect one end of the 3.5mm audio cable into the audio jack of the headset.
- Connect the other end into your mobile device or other audio source.
- You can now play music through the wired connection.
Note: When the headphone is powered on and the 3.5mm audio cable is plugged into the audio jack, the headphone will power off. The 3.5mm audio cable must be removed from the headphone if you need to turn the headphone back on.
5. Charging Instruction
Before use, please ensure the battery has sufficient charge. When the headphone is in low battery status, use the provided Type-C charging cable to charge. The charging indicator will be red while charging. Once fully charged, the indicator will turn solid blue.
6. Technical Parameters
| Parameter | Specification |
|---|---|
| Model Name | JH-820 |
| Bluetooth Version | V5.4 |
| Working Distance | >10m |
| Frequency Response | 2402-2480MHz |
| Input Voltage | DC 5V, 1A |
| Charging Time | About 2H |
| Charging Port | Type-C |
| Speaker Driver Unit | 40mm, 32Ω |
7. FAQ (Frequently Asked Questions)
- 7.1 Headphone can't be turned on
- Please ensure the battery has sufficient charge.
- 7.2 Pairing failure
- Please ensure the headphone is powered on and in pairing status, and that your mobile or other device is within 1 meter range. Then, try pairing again.
- 7.3 Connect automatically
- The headphone will automatically connect to the mobile or other device it was last used with.
- 7.4 Sound cut off/stuck
- Check if your mobile or other device is within the valid range (10m) and if there are any obstacles between the headphone and the device.
- 7.5 Charging way
- Please ensure you are using a charging adapter that is DC 5V/1A, or a car charger, or a power bank to charge the headphone.
8. Regulatory Information
FCC Statement
1. This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) This device must accept any interference received, including interference that may cause undesired operation.
2. Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.
Note: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:
- Reorient or relocate the receiving antenna.
- Increase the separation between the equipment and receiver.
- Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
- Consult the dealer or an experienced radio/TV technician for help.
The device has been evaluated to meet general RF exposure requirements. The device can be used in portable exposure conditions without restriction.
ISED Statement
This device contains licence-exempt transmitter(s)/receiver(s) that comply with Innovation, Science and Economic Development Canada's licence-exempt RSS(s). Operation is subject to the following two conditions: 1. This device may not cause interference. 2. This device must accept any interference, including interference that may cause undesired operation of the device.
The device has been evaluated to meet general RF exposure requirements. The device can be used in portable exposure conditions without restriction.
French Translation (ISED Statement):
Le présent appareil est conforme aux CNR d'Industrie Canada applicables aux appareils radio exempts de licence. L'exploitation est autorisée aux deux conditions suivantes : (1) l'appareil ne doit pas produire de brouillage, et (2) l'utilisateur de l'appareil doit accepter tout brouillage radioélectrique subi, même si le brouillage est susceptible d'en compromettre le fonctionnement.
L'appareil a été évalué pour répondre aux exigences générales d'exposition aux RF. L'appareil peut être utilisé dans des conditions d'exposition portable sans restriction.