Product Display
Familiarize yourself with the components of your Zamkol U9 headphones:
- Multi-function button
- LED indicator
- Charging port (Micro USB)
- Hook up
- Earplugs
Specifications
| Product Name | U9 |
|---|---|
| Wireless Version | V5.0 |
| Operation Range | ≤10 meters (Unobstructed Effective Range) |
| Earbud Charging Time | About 1 hour |
| Charging Case Charging Time | 1.5~2 hours |
| Play Time | 4~6 Hours (at 75% volume) |
| Talk Time | 3.5~4 Hours (at 75% volume) |
| Stand Time | 80 Hours |
| Bluetooth Profiles | A2DP, AVRCP, HFP, HSP |
| Earbud Battery Type | 40mAh Rechargeable Lithium Batteries |
| Charging Case Battery Type | 500mAh Rechargeable Lithium Batteries |
Power On / Power Off
Power On:
- Open the charging case lid; the earbuds will power on automatically.
- If earbuds were not in the charging case and powered off, long press the function buttons for 3 seconds on both earbuds to power on.
Power Off:
- Earbuds will automatically power off and recharge when put in the charging case.
- When the earbuds are powered on, long press both of the earbuds function button for 6 seconds; they will power off and prompt a "Power off" voice.
How to Pair
First Time to Pair with Devices:
- Open the charging case; the earbuds will turn on automatically and enter pairing mode (white & blue light flashes alternately). You will hear "power on" "pairing".
- Enable Bluetooth on your device and select "U9". You will hear "Pairing Successful", "connected" once connected.
Second Time to Pair with Latest Devices:
- U9 will remember the last device it has connected to.
- The next time you open the charging case, it will automatically reconnect to your last device.
- If it fails, put them back into the charging case and close the charging case, then follow "First Time to Pair with Devices" steps to reconnect.
- If no device is connected, earbuds will automatically turn off after 5 mins.
How To Pair (Binaural Mode):
- Take the earbuds out of the charging case and make sure they are turned on.
- Place the two earbuds within 30CM. Double-click the left and right earbuds simultaneously; they will enter pairing mode (white and blue lights alternately flash).
- The blue light of the secondary earbud flashes 2 times and then goes out. The blue light of the main earbud flashes 2 times and then enters pairing mode (white and blue light alternately flashes), indicating TWS connection is successful.
Note: This method is suitable for cases where the dual earbuds are not connected.
How To Reset Pairing:
- When the earbuds are charged in the charging case, simultaneously long press the left and right earphone buttons for 6 seconds (this operation clears pairing information with the mobile phone).
- The LED indicator will flash blue and white two seconds, indicating the earbuds have cleared their pairing record.
How To Charge
Note: Please make sure the charging case has enough power.
Charging The Earbuds:
- When the battery is low, there is a voice prompt to remind you of low battery.
- To recharge the earbuds, simply place them in the charging case.
- The first light in the charging case indicates the left earphone is charging, and the fourth light indicates the right earphone is charging. They shut off when fully charged.
Charging The Charging Case:
- To power up the charging case, simply plug it into a USB power supply.
- The charging case LED will flash when charging, and stay lit when fully charged.
| Battery Level | The Charging Case LED Indicator Light Status |
|---|---|
| 0~25% | The first white light flashes once every one second |
| 25~50% | The second white light flashes once every one second |
| 50~75% | The third white light flashes once every one second |
| 75%~99% | The fourth white light flashes once every one second |
| 100% | Four white lights stay lit |
Phone Call Mode & Music Mode Operation
Phone Call Mode Operation:
| Event | Action |
|---|---|
| Answer call | Press either earbud button once |
| End Call | Press either earbud button once |
| Reject Call | When a call is incoming, press either earbud button for 2 seconds |
| Switch Phone Chat | During a call, press either earbud button for 2 seconds to switch chat between the earbud and your phone |
Music Mode Operation:
| Function | Action |
|---|---|
| Play/Pause music | Click the function button |
| Previous Songs | Double press left earbud button |
| Next Songs | Double press right earbud button |
| Activate/Stop Siri | Three-click left or right multi-function button |
FAQ (Troubleshooting)
- Q1: Can't search "U9" on the device Bluetooth menu?
- A1: Check whether the earbuds have been turned on and entered the pairing mode.
- A2: Check whether the earbuds have been connected to other devices.
- A3: Delete "U9" from all your devices and try again.
- Q2: Can't turn on the earbuds?
- A1: Check whether the charging case has enough power. If the battery life is 0%, charge the charging case for 10 minutes and try to turn on the earbuds again.
- A2: Put the earbuds back into the charging case to fully charge and try to turn on again.
- Q3: Pairing does not work?
- A1: Put both earpieces into the charging case.
- A2: Make sure you have disabled the Bluetooth function of any previously connected Bluetooth devices.
- A3: On your Bluetooth device, delete "U9" from the Bluetooth list.
- A4: Pair your headset (see "HOW TO PAIR").
FCC Compliance Information
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.
Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.
This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions:
- This device may not cause harmful interference, and
- This device must accept any interference received, including interference that may cause undesired operation.
