O le telefoni feavea'i Joiwo JWDTB15 e fetaui lelei mo tagata fa'aoga i le fale, faletalimalo ma le ofisa ma isi taimi faapisinisi e iai foliga matagofie ma polokalama faakomepiuta atamai. O se vaega fa'apolofesa o fofo fa'apitoa mo telefoni feavea'i fa'apisinisi. E sefe ai fo'i tau ma pipiimau i ai mo mafua'aga o le gaosiga, fa'afaigofie ai galuega ma fesoota'iga.
1. Telefoni masani fa'a-analog
2. Telefoni e leai ni lima e fa'ailoa ai le tagata e vala'au, galuega tau fefa'ataua'iga fa'apisinisi
3. Fa'ailoga telefoni e lua-tulaga masani, pulse ma le feso'ota'iga leo e lua
4. 10 tusi telefoni, 50 faʻamatalaga a le tagata valaʻau
5. Fa'aaliga o le aso ma le uati
6. Galuega fa'agaoioi musika, tatagi fa'apitoa, leo ma le leo e filifili ai
7. Galuega vala'au e aunoa ma lima, galuega vili ua uma ona setiina, galuega toe tali vala'au, fa'aaliga taimi vala'au
8. Atigi ABS maualuga le tulaga, matagaluega tu'ufa'atasi, fa'aleleia lanu, plug-in auro-ufi, fa'a'ofu'ofu tui lanu e lua
9. Fa'aleleia atili le mamanu puipuiga o uila
10. Laulau ma le puipui e lua ona faʻamoemoega
| Paoa sapalai | DC5V1A |
| Taimi Fa'atali mo Galuega | ≤1mA |
| Tali Fa'atele | 250~3000 Hz |
| Leo o le Tatagi | >80dB(A) |
| Vasega o le Ele | WF1 |
| Vevela o le Siosiomaga | -40~+70℃ |
| Mamafa o le Ea | 80~110KPa |
| Susū Fa'atatau | ≤95% |
| Tulaga e Tete'e ai i Fa'aleagaina o Mea | IK9 |
| Fa'apipi'iina | Fa'apipi'i i le Laupapa/Puipui |