Jzones U7 Wireless Earbuds Bluetooth Headphones User Manual

Jzones U7 Wireless Earbuds Bluetooth Headphones

Initial Usage

1. Opening the charging case will automatically turn on the earphones. The earphones quickly enter pairing mode, red and blue lights flashing alternately.
2. Turn on your phone’s Bluetooth and look for “U7” on the device list. Tap on it. Red and blue lights go off after a successful connection.

Subsequent Usage

1. Auto-Disconnection
   Put the earphones inside the charging case and close the case to enter the charging mode. Bluetooth will be automatically disconnected.
2. Auto-Reconnection
   After the initial use, you can use the earbuds by simply opening the charging case. The earbuds will automatically reconnect to your phone, even before you take it out of the case.

Note
After opening the case, if the headset is not connected to a device, it will turn off after 5 minutes.

Smart Charging

Before using the item for the first time, it is recommended they reach full charges inside the case and charge them until they reach full charge.

1. Charging for Earphones
   Put the earphones inside the charging case and close the cover. They will automatically enter charging mode.
2. Charging for Case
   After inserting the charging cable into the USB Type-C slot on the case, the case will automatically start getting charged. The box can also be charged wirelessly. The LED screen will display an incremental change of power from 0 to 100 during charging. 100 indicates full charge.
3. Using the Case to Charge Your Phone
   Connect the phone’s charging cable to the USB Type-A slot on the case. The LED display will show da ecreasing power level on the case (from 100 going down) until the phone is fully charged.

Low Battery Alert
The headphones will alert you when the battery level is low. Whenever the power is below 20%, it will give the following voice warning every 30 seconds.” Low battery, please charge”.

Clear Pairing Records
Press and hold the volume up and down keys of either earbud simultaneously for OS, red and blue lights will light up 3 times at the same time. Then the device will be disconnected, the earbuds will clear pairing records and shut down.

Operating Buttons & Keys

• Multi-function button Tap Once: play/pause music, answer calls, hang up, etc.
• Side buttons,tap once or long-press: “+” for volume up “-” for volume down

• Side buttons, double-press: “+” to skip to next song “-” to skip to the  previous song
• Multi-function button, long press 6 seconds to turn off; 3 seconds to turn on

• Multi-function button double-press: reject call, enter Bluetooth pairing status,
• Multi-function button triple-press: Activate SIRI Voice Assistant

Tip

Proper Way of Wearing the Earphones:

While using the earphones, for maximum comfort, please place them on and in your ears as shown above.

Specifications

Earphones

• Bluetooth version: 5.2
• Working Voltage: 3.0V-4.2V
• RF transmit power: Class 2
• Communication distance: 10M
• Transmission range(Hz): 2.402-2.480GHz
• Audio encoding format: AAC, SBC
• Support: A2DP1.3, HFP1.7, HSP1.2, AVRCP1.6, SPP1.2
• Working temperature: -15-60 degrees Celsius
• Working humidity: 10%-85% (non-frozen state)

Single Earphone

• Weight: 0.02lb (9g)
• Size: 1.9*1.6*1inch (4.7*4.1*2.8cm)
• Battery capacity: 50mAh
• Charging time: 1-1.5 hours
• Standby time: 130 hours
• Playing time: 7-8 hours
• Talk time: 7-8 hours

Charger Case

• Weight: 0.2lb (104g)
• Size: 3.9*2.4*1.6inch (9.9*6.2*4.0cm)
• Battery capacity: 2500mAh
• Charging time: 3-4 hours
• Wireless charging time: 5-6hours

Safety Instructions

To avoid hearing damage, keep the volume at a moderate level. Listening at high volumes for long periods may cause permanent damage to your hearing ability, even deafness. Avoid using the earphones while driving, cycling, crossing the road, or performing/participating in any activity that requires your full attention.

Note
The audio and video will be slightly delayed when you are watching the video.

After a full charge, please unplug the charging cable from the charging case to avoid keeping the case in ca charging state for a long time. The output voltage and current of the charger are preferably 5V. If the charger’s output voltage exceeds the specified range, it will cause serious damage to the product, and the product warranty will be invalid in that case.

Usage Guide and Precautions

1. Please do not use it in environments with large electromagnetic fields / high radiation levels. The Bluetooth signal will be interfered with.
2. Please do not keep the battery of the earphones below 10%, which will result in insufficient audio output. It is recommended to use the headset with a sufficient battery.
3. In case of obstacles or multiple 2.4GHz signals in the same frequency band, the Bluetooth signal will be interfered with, which may cause stuttering.
4. Please do not put the Bluetooth earphones in water or apply excessive force on them, which may cause damage to the earphones and degraded sound quality.
5. Please charge the earbuds once every 30 days if it’s not used for extended periods. Prevents failure to start due to lack of power when needed.
6. We may upgrade or modify the software or hardware and appearance of this product without notice to you.

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