Jzones U7 True Wireless Earbuds User Manual (2024)

Jzones U7 True Wireless Earbuds

Initial Usage

1. Opening the charging case will automatically turn on the earphones.The earphones quickly enters 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 successful connection.

Subsequent Usage

1. Auto-DisconnectionPut the earphones inside the charging case and close the case to enter the charging mode. Bluetooth will be automatically disconnected.
2. Auto-ReconnectionAfter 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.

Smart Charging

Before using the item for the first time, it is recommended to place the earphones inside the case and charge them until they reach the Full charge.

1. Charging for Earphones: Put the earphones inside the charging case and close the cover. They will automatically enter charging mode.Note: Please place the earphones into the charging case smoothly with gentle push. Prevent the earphones from being in poor contact with the charging probe, which may result in failure to charge.
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 decreasing power level on the case (from 100 going down) until the phone is fully charged.

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 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

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 degree celsius
• Working humidity: 10%-85% (non-frozen state)

• Weight: 0.021b (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

• Weight: 0.2lb (104g)
• Size: 3.9 2.4*1.6inch (9.9*6.2*4.Ocm)
• 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 of time 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 video.After full charge, please unplug the charging cable from the charging case to avoid keeping the case in 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 level. Bluetooth signal will be interfered with.
2. Please do not keep the battery of the earphone is below 10%, which will result in insufficient audio output. It is recommended to use the headset at suficient battery.
3. In case of obstacles or multiple 2.4GHz signals in the same frequency band, Bluetooth signal will be interfered with, which may occur stuttering.
4. Please do not put the Bluetooth earphones in water or apply excessive force on it, 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 of time, 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,

Documents / Resources