Shenzhen Wanwei Acoustics F9 True Wireless Stereo Earbuds User Manual
- June 6, 2024
- Shenzhen Wanwei Acoustics
Table of Contents
Shenzhen Wanwei Acoustics F9 True Wireless Stereo Earbuds
Overview
Packing list
- TWS earphone
- Endurance charging box
- Type-c charging cable
- User manual
- Earplug silicone cap
Product specification
| Product model: | F9 |
|---|---|
| Bluetooth version: | Bluetooth V5.0 |
| Supported mode: | HFP/HSP/A2DP/AVRCP |
| Sensitivity: | 102 dB ±3dB |
| Signal distance: | 10 m (in an ideal environment without any large obstacles) |
| Playing time: | about 4-5 hours |
| Talk time: | approximately 4 hours |
| Standby time: | about 80 hours |
| Charging time: | charge the charging case for about 1.5 hours, and charge the |
earphone for about 1 hour
Charging times for the earphones:| about 3 times
Single earphone battery:| 30mAh
Charging case battery:| 320mAh
Functional instructions
- Power on Take the earphone out of the charging case and start it automatically or long press the left and right multi-function button of the earphone for 2 seconds.
- Shut down Put the earphone into the charging case and turn off automatically long press the left and right multi-function button of the earphone for 5 seconds .
- Boot back When the pairing is successful, the Bluetooth earphone will first enter the state of reconnect when the second time is started and automatically reconnect the connected phone.
- Play/pause In standby state, click the left or right earphone multi-function button to play music directly, while click the left or right earphone multi-function button to pause playing.
- Switch songs Double click the left earphone muti-function button to play previous music, and double click the right earphone muti-function button to play next music.
- Answer incoming calls When the mobile phone calls, double click the left or right earphone multi-function button can answer the phone.
- Call hang up When talking on the mobile phone, you can hang up the phone by long press the left or right earphone multi-function button for 2 second
- Call rejection When the phone calls, long press the left and right earphone multi-function button for 2 seconds to reject the call.
Pairing method
- Lift the left and right earphones from the charging base to turn on the earphones, and then the two earphones will automatically enter the pairing mode. The two earphones will be automatically connected within 10 seconds, Then open the phone Bluetooth device searching. Pairing name: F9
- Bluetooth paring name: F9
Charging operation
- Plug the type-c charging wire into the USB port of the charging case
- Charging the earphone: put the earphone into the charging case and it can be charged automatically. when charging ,the green light flash,after charging completed,the four green light all turn on
Precautions
- Please charge in a safe environment. When charging the charging case, please separate the charging case from the USB charging cable as soon as possible after the charging indicator is off, so as to avoid damage to the charging case caused by the long time of charging.
- When the music is playing, please adjust the music to the Appropriate volume to avoid long-term damage to the hearing under the condition of high volume.
- Try to avoid using the earphone where there is interference source, otherwise it may affect the earphone signal.
- Try to avoid using the earphone in a corrosive environment, so as not to affect the function of the earphone.
Tips: when you use this Bluetooth headset to listen to music or talk, please pay attention to adjust the volume, so as not to affect your listening too much!
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:
(1) this device may not cause harmful interference, and
(2) this device must accept any interference received, including interference
that may cause undesired operation.