1. Selelekela
Thank you for choosing the voijump DT623 Wireless Voice Amplifier with Lavalier Microphone. This device is designed to provide clear and amplified sound for various applications, including teaching, public speaking, meetings, and fitness instruction. Please read this manual carefully to ensure proper use and maintenance of your device.
2. Likahare tsa Sephutheloana
Netefatsa hore lintho tsohle tse thathamisitsoeng ka tlase li kenyelelitsoe ka har'a sephutheloana sa hau:
- Wireless Lavalier Microphone (1)
- Lentsoe Ampsekepe (1)
- Thapo ea ho tjhaja ea USB Type-C (1)
- Buka ea mosebelisi (1)

Image 2.1: Contents of the voijump DT623 package, showing the voice amplifier, lavalier microphone, and charging cable.
3. Sehlahisoa Overview
The voijump DT623 system consists of a portable voice amplifier and a wireless lavalier microphone. The amplifier features a compact design with a speaker grille, control buttons, and a clip for attachment. The lavalier microphone is small, lightweight, and designed for discreet wear.
3.1 Likarolo tsa Bohlokoa
- Omnidirectional Sound Reception: E tšoara molumo ho tsoa mahlakoreng 'ohle.
- Ho Fokotsa Lerata ka Bohlale: Built-in chips reduce ambient noise for clear audio.
- Khokahano e Ikemetseng: Simple pairing between microphone and ampmoqhobi.
- Bophelo bo Bolelele ba Battery: Extended operation time on a single charge.
- E bobebe ebile ea nkeha: Easy to carry and wear.
- Wired Headphone Support: Includes a 3.5mm port for wired audio input.

Image 3.1: Illustration of the voice amplifier's internal acoustic technology, highlighting its ability to project sound clearly over a large area.

Image 3.2: Close-up of the lavalier microphone, emphasizing its 360-degree omnidirectional sound reception capability.
4. Ho seta le ho Kopanya
Follow these steps to set up and pair your voijump DT623 system:
- Step 1: Turn on the Ampmoqhobi. Locate the knob switch on the voice amplifier. Turn it to the "ON" position. A green indicator light will flash, indicating it is ready for pairing. You can also slide the knob switch to adjust the volume of the voice amptokafatso.
- Step 2: Turn on the Microphone. Short press the power button on the lavalier microphone for 2 seconds. The indicator light on the microphone will illuminate.
- Step 3: Automatic Pairing. The amplifier and microphone will automatically pair. Once successfully paired, the receiving end light on the amplifier will remain steadily on. Clip the microphone in an appropriate position for use.

Image 4.1: Visual guide demonstrating the three steps to turn on and pair the voice amplifier and lavalier microphone.

Image 4.2: Close-up images illustrating the amplifier's knob switch, the microphone's power button, and the clip for wearing.
5. Litaelo tsa Ts'ebetso
5.1 Ts'ebetso ea Motheo
- After successful pairing, speak into the lavalier microphone. Your voice will be amplified through the portable speaker.
- Adjust the volume using the knob switch on the side of the voice ampmoqhobi.
5.2 Wearing the Microphone and Ampmoqhobi
The lavalier microphone is designed to be clipped onto your clothing, close to your mouth, for optimal sound capture. The voice amplifier can be clipped onto your clothes or pants, or worn around your waist using the included strap, ensuring comfort and portability.

Setšoantšo sa 5.1: Examples of the voice amplifier and microphone being used by teachers, presenters, and fitness instructors, demonstrating various wearing styles.
5.3 Wired Headphone Support
Lentsoe amplifier also supports wired headphones. You can plug an external microphone or headphones into the 3.5mm port located on the top of the ampmoqhobi.

Image 5.2: Close-up of the voice amplifier highlighting the 3.5mm port for connecting wired headphones or an external wired microphone.

Image 5.3: Illustration demonstrating the flexibility of the system to support both wireless and wired microphone connections.
6. Ho tjhaja le Bophelo ba Betri
The voijump DT623 system is equipped with rechargeable batteries for both the amplifier le microphone.
- Lentsoe Amplifereletsi: Built-in 2200mAh rechargeable battery. Offers 10-12 hours of amplification on a full charge. Charging time is approximately 3-4 hours.
- Microphone e se nang mohala: Offers 6-8 hours of usage time on a full charge. Charging time is approximately 1-1.5 hours.
Use the provided USB Type-C charging cable to charge both devices. Connect the cable to a standard USB power adapter (not included).

Image 6.1: Visual representation of the battery life for both the microphone (8 hours) and the amplifier (10 hours).

Image 6.2: Infographic detailing the battery capacity, amplification time, charging time, and working time for both devices.
7. Tlhokomelo
- Boloka sesebelisoa se omme. U se ke ua e pepesetsa pula kapa mongobo.
- Hloekisa sesebediswa ka lesela le bonolo, le omileng. O se ke wa sebedisa dikhemikhale tse bohale kapa dihlwekisi tse kgohlang.
- Boloka sesebelisoa sebakeng se phodileng, se omileng ha se sa sebelisoe.
- Qoba ho liha kapa ho beha sesebelisoa tlas'a tšusumetso e matla.
8. Ho rarolla mathata
If you encounter issues with your voijump DT623 system, refer to the following common problems and solutions:
| Bothata | Lebaka le ka khonehang | Tharollo |
|---|---|---|
| Ha ho modumo kapa modumo o tlase | Not powered on, not paired, low battery, volume too low. | Ensure both devices are powered on. Re-pair if necessary (turn off and on again). Charge both devices. Increase volume using the amplifier's knob. |
| Echo or feedback | Microphone too close to the speaker, high volume in a small space. | Increase distance between microphone and amplifier. Reduce volume. Adjust microphone placement. |
| Intermittent connection or static | Ha e na moeli, tšitiso, betri e tlase. | Ensure devices are within 20 meters. Avoid strong electromagnetic interference. Charge both devices. |
| Sesebelisoa ha se tjhaje | Faulty cable, power adapter, or port. | Try a different USB Type-C cable and power adapter. Ensure the charging port is clean and undamaged. |
9. Litlhaloso
| Sebopeho | Tlhaloso |
|---|---|
| Nomoro ea Mohlala | DT623 |
| Mohloli oa Matla | Matla a Battery |
| Theknoloji ea Khokahano | Wireless |
| Phetiso ea mohala o se nang mohala | Ho fihlela ho 20 metres |
| Amplifier Battery Capacity | 2200mAh |
| Amplifier Usage Time | Lihora tse 10-12 |
| Amplifier Charging Time | Lihora tse 3-4 |
| Microphone Usage Time | Lihora tse 6-8 |
| Microphone Charging Time | Lihora tse 1-1.5 |
| Mofuta oa Sehokelo | USB Type-C (Charging), 3.5mm (Audio Input) |
| Lintho tse bonahalang | Plastiki |
| Item Weight (Ampsekepe) | E ka ba 0.3 Lik'hilograma (10.5 ounces) |
| Kenyeletso ya Modumo | Microphone e se nang mohala |
| Palo ea Likanale | 2 |
10. Boitsebiso ba Tšireletseho
- O se ke wa leka ho qhaqha kapa ho fetola sesebediswa. Sena se ka etsa hore tiisetso e se ke ya sebetsa mme sa baka tshenyo.
- Beha sesebelisoa hole le mocheso o feteletseng, khanya ea letsatsi, le malakabe a bulehileng.
- Se ke oa qoelisa sesebelisoa ka metsing kapa marong a mang.
- Sebelisa feela thapo e fanoeng ea ho tjhaja kapa e lekanang le eona e netefalitsoeng.
- Boloka moo bana ba ka fihlang teng.
11. Official Sehlahisoa Video
For a visual guide on the product's features and usage, please watch the official video below:
Video 11.1: Official product video demonstrating the voijump Wireless Voice Amplifier with Wireless Lavalier Microphone, including setup and usage examples.
12. Tiisetso le Tšehetso
voijump provides 24-hour online support for any questions or issues you may encounter. Please refer to your purchase documentation for specific warranty details. For assistance, contact our customer service team.