BLU J4
| Vormgeving | Touchscreen |
| Afmetingen | 151.00 x 72.30 x 10.00 mm |
| Gewicht | 158.00 g |
| Schermgrootte | 5.50" |
| Scherm | Kleurrijk / TFT 16M kleuren 720 x 1440 px (5.50") 293 ppi |
| Bescherming scherm |   |
| Extra scherm | |
| Secundaire bescherming scherm | |
| Standaard batterij | Li-Ion 2200 mAhBuy powerbank |
| Snel opladen van de batterij | |
| Draadloos opladen van de batterij | |
| Intern geheugen | 32 GB |
| RAM-geheugen | 1 GB |
| Geheugen kaarten |  microSD, microSDHC, microSDXC tot 64 GBBuy memory card |
| Besturingssysteem | Android 8.0 Oreo Go |
| CPU-klok | 1300 MHz |
| Touchscreen | |
| Dual SIM | |
| Dual SIM-modus | dual standby |
| Introductiedatum | IV. kwartaal 2019 |
| Andere namen van deze telefoon | J170EQ |
| GSM standaard | 850 900 1800 1900 |
| UMTS standaard (3G) | 850 900 1900 2100 |
| LTE-standaard | |
| 5G-standaard | |
| CDMA standaard | |
| TD-SCDMA-standaard | |
| UMA standaard | |
CAMERA'S - TERUG
| Eerste camera | |
| Matrix | 8 Mpx |
| Optische zoom | |
| Flitser | LED |
| Dual-color LED-flitser | |
| Videoresolutie | 1280x720 px |
| Videoformaten | H.263, H.264, MPEG4 |
| Extra | - |
CAMERA'S - VOORKANT
| Eerste camera | |
| Matrix | 8 Mpx |
| Optische zoom | |
| Flitser | |
| Dual-color LED-flitser | |
| Videoformaten | H.263, H.264, MPEG4 |
| Extra | FF |
SENSORS
| Barometer | |
| Altimeter | |
| Hall-effect sensor | |
| Iris scanner | |
| Vingerafdrukscanner | |
| Thermometer | |
| Hygrometer | |
Gegevens transmissie
| xHTML | |
| WAP | v2.0 |
| HSCSD | |
| HSDPA | |
| HSUPA | |
| HSPA | |
| HSPA+ | |
| LTE DL | |
| LTE UP | |
| WIMAX+ | |
| GPRS | |
| EDGE | |
| Bluetooth | v4.0 |
| Perfil A2DP | |
| HDMI | |
| WiFi | v802.11 b/g/n |
| WiFi frequenties | 2,4 GHz |
| DLNA | |
| Miracast | |
| WiFi-hotspot | |
| IrDA | |
| USB | v2.0 |
| GPS | |
| A-GPS | |
| GLONASS | |
| Beidou | |
| Galileo | |
| QZSS | |
| NFC | |
COMMUNICATIE EN BERICHTEN
| Call waiting | |
| Video conferentie verbinding | |
| Redirect | |
| Push To Talk | |
| Instant Messenger | |
| SMS | |
| EMS | |
| MMS | |
| Predictive text | T9 |
| Swype | |
| E-mailclient | POP3, IMAP4, SMTP |
| QWERTY toetsenbord | |
| RSS reader | |
Multimedia
| MP3 bediening | |
| Stereo speakers | |
| Audio Jack | 3.5 mm |
| HD Voice | |
| Geluidsformaten | AAC, AAC+, AMR, MID, WAV, eAAC+ |
| Ringtone polyfoon | |
| Video beltonen | |
| Beltoon componist | |
| Spelletjes | |
| Java | ART |
| Videoverbinding | |
| DVB-H televisie | |
| TV aansluiting | |
PIM EN EXTRA FUNCTIES
| Klok | |
| Stopwatch | |
| Alarm | |
| Calculator | |
| Valuta Converter | |
| Organizer | |
| Agenda | |
| Vliegtuigstand | |
| SyncML | |
| Data en fax | |
| Schermbeveiliging | |
| Thema's | |
| Verwisselbare cover | |
| Voice picking | |
| Speaker | |
| Memorecorder | |
| Trilalarm | |