1. Utangulizi
Thank you for choosing the VOLT PLUS TECH F9 Wireless V5.3 Bluetooth Earbuds. These earbuds are designed to provide a high-quality audio experience with advanced features such as 8D Bass, IPX4 water resistance, and a portable charging case that doubles as a power bank. This manual will guide you through the setup, operation, and maintenance of your new earbuds.

Image: The VOLT PLUS TECH F9 Wireless Earbuds resting inside their open charging case, displaying a "100" charge indicator on the LED screen.
Video: Kipindi cha uhuishajiview showcasing the features of the VOLT PLUS TECH F9 Earbuds, including their charging case, phone charging capability, sound quality, water resistance, and Bluetooth 5.3 connectivity.
2. Kuweka
2.1 Kuchaji vifaa vya masikioni na Kipochi
Before first use, fully charge the earbuds and the charging case. The case features a built-in 2000mAh battery, providing extended use for your earbuds and even acting as a power bank for your mobile phone.
- Connect the USB-C charging cable (included) to the charging port on the case and a power source.
- The LED display on the case will indicate the charging status. A full charge provides approximately 24 hours of total use for the earbuds.
- The charging case can recharge the earbuds up to 10 times and can also recharge your phone up to 2 times.

Image: The earbud charging case connected to a smartphone, demonstrating its power bank functionality to charge the phone.

Image: A graphic illustrating the extended battery life provided by the charging case, showing total music and talk time with multiple recharges.
2.2 Kuoanisha na Kifaa Chako
The earbuds feature Bluetooth 5.3 for stable and efficient connection. They are specifically compatible with Samsung Galaxy S20/FE/Ultra/S20+/5G/Fan Edition/Plus devices, but also work with most other Bluetooth-enabled smartphones and tablets.
- Take both earbuds out of the charging case. They will automatically power on and enter pairing mode.
- On your device (e.g., Samsung Galaxy S20), go to Bluetooth settings.
- Select "F9" or the corresponding earbud name from the list of available devices.
- Baada ya kuunganishwa, utasikia sauti ya uthibitishaji, na vifaa vya sauti vya masikioni vitakuwa tayari kutumika.

Image: The earbuds and their charging case positioned near a Samsung Galaxy smartphone, emphasizing their compatibility.
2.3 Choosing the Right Ear Tips
For optimal sound quality and comfort, select the ear tips that best fit your ears. The package includes three different sizes (small, large, and pre-installed standard size).
- Gently remove the pre-installed ear tips.
- Attach the desired size ear tips by pushing them onto the earbud nozzle until secure.
3. Kuendesha vifaa vya sauti vya masikioni
The F9 earbuds feature smart touch controls for easy management of your audio and calls.
3.1 Touch Control Functions
| Kazi | Kitendo (Kifaa cha Kulia cha Kushoto) | Kitendo (Earbud ya Kulia) |
|---|---|---|
| Cheza/Sitisha | Bonyeza mara moja | Bonyeza mara moja |
| Wimbo Unaofuata | Bonyeza mara mbili kwa haraka | N/A |
| Wimbo Uliopita | N/A | Bonyeza mara mbili kwa haraka |
| Volume Up | N/A | Bonyeza mara tatu |
| Sauti Chini | Bonyeza mara tatu | N/A |
| Jibu/Maliza Simu | Click/Double click | Click/Double click |
| Activate Voice Assistant (Siri/Android/Mic) | Bonyeza mara mbili kwa haraka | Bonyeza mara mbili kwa haraka |

Image: A visual guide detailing the touch control gestures for various functions on the earbuds, including call management, volume adjustment, and track navigation.
4. Matengenezo
Utunzaji unaofaa huhakikisha maisha marefu na utendakazi bora wa vifaa vyako vya masikioni.
4.1 Kusafisha
- Safisha vifaa vya masikioni na kipochi cha kuchaji mara kwa mara kwa kitambaa laini, kikavu na kisicho na pamba.
- Ondoa vidokezo vya masikio na uyasafishe kando kwa sabuni na maji kidogo ikiwa ni lazima, hakikisha kuwa ni kavu kabisa kabla ya kuunganisha tena.
- Usitumie visafishaji vya abrasive au vimumunyisho.
4.2 Ustahimilivu wa Maji (IPX4)
The earbuds are rated IPX4 water-resistant, meaning they are protected against splashing water from any direction. This makes them suitable for daily life activities, outdoor sports, and gym use where sweating occurs.
Note: IPX4 rating does not mean they are fully waterproof or suitable for submersion in water. Avoid exposing them to heavy rain, showering, or swimming.

Image: The earbuds shown amidst water splashes, visually representing their water resistance capabilities.
5. Utatuzi wa shida
| Tatizo | Sababu inayowezekana | Suluhisho |
|---|---|---|
| Vifaa vya sauti vya masikioni havioanishi | Low battery; not in pairing mode; device Bluetooth off; interference. | Ensure earbuds and case are charged. Place earbuds back in case, then take them out to re-enter pairing mode. Turn device Bluetooth off and on. Move closer to the device. |
| Kifaa kimoja tu cha sauti cha masikioni kinachofanya kazi | Earbuds not properly synced; one earbud low on battery. | Place both earbuds back in the charging case, close the lid, wait a few seconds, then take them out again. Ensure both earbuds are charged. |
| Hakuna sauti au sauti ya chini | Device volume too low; earbuds not connected; ear tips blocked. | Increase device volume. Re-pair earbuds. Clean ear tips and earbud mesh. |
| Kesi ya kuchaji haichaji | Faulty cable/adapter; dirty charging port. | Try a different USB-C cable and power adapter. Clean the charging port gently. |
6. Vipimo
- Jina la Mfano: F9
- Chapa: VOLT PLUS TECH
- Toleo la Bluetooth: 5.3
- Teknolojia ya Mawasiliano Bila Waya: Bluetooth
- Udhibiti wa Kelele: Kughairi Kelele Inayotumika
- Kiwango cha Upinzani wa Maji: IPX4
- Aina ya Kiendesha Sauti: Kiendeshaji Kinachobadilika (26mm)
- Majibu ya Mara kwa mara: 48000 kHz
- Unyeti: 103 dB
- Uzuiaji: 25.94 ohm
- Maisha ya Betri (Earbuds): 5 hours music time, 6 hours talk time (per charge)
- Uwezo wa Betri ya Kipochi: Milioni 2000amp Saa
- Wastani wa Maisha ya Betri ya Kipochi: 24 Hours (total with recharges)
- Muda wa Kuchaji Kesi: Saa 2
- Aina ya Bluetooth: Futi 33 (takriban mita 10)
- Mbinu ya Kudhibiti: Gusa
- Vifaa Vinavyolingana: Samsung Galaxy S20/FE/Ultra/S20+/5G/Fan Edition/Plus (and other Bluetooth devices)
- Uzito wa Kipengee: Wakia 4
- Vipimo vya Bidhaa: Inchi 1 x 1.7 x 1.5
- Nyenzo: Aluminum, Hi Strength Plastic, Metal
- Vipengele vilivyojumuishwa: Earbuds, Charging/Storage Case, USB-C Charging Cable, User Manual, Ear Tips (Small, Large)

Image: Visual representation of the dimensions for both the earbuds and their charging case.
7. Udhamini na Msaada
For warranty information or technical support, please contact the manufacturer, VOLT PLUS TECH, or the seller, Essential Contraptions, through the platform where you purchased the product. Please refer to your purchase documentation for specific warranty terms and contact details.
Kwa maswali ya jumla, unaweza kutembelea VOLT PLUS TECH Store on Amazon.





