BLU J4 Specifications
| Price | |
| Euro | €70 |
BLU J4 Specifications
| Body | |
| Form Factor | Candybar, Touchscreen |
| Dimensions | 151 x 72.3 x 10 mm (5.94 x 2.85 x 0.39 in) |
| Weight | 158 g (5.57 oz) |
| Colors | Blue, Black, Brown |
| Display | |
| Type | IPS LCD |
| Size | 5.5 inches, 78.1 cm2 (~71.5% screen-to-body ratio) |
| Resolution | 720 x 1440 pixels, 18:9 ratio (~293 ppi density) |
| Network | |
| Technology | GSM / HSPA |
| 2G Bands | GSM 850 / 900 / 1800 / 1900 SIM 1 & SIM 2 |
| 3G Bands | HSDPA 850 / 900 / 1900 / 2100 |
| Memory | |
| Internal Memory | 32GB ROM, 1GB RAM |
| Storage Type | eMMC 5.1 |
| Card Slot | microSDXC |
| Connectivity | |
| Speed | HSPA 21.1/5.76 Mbps |
| WLAN | Wi-Fi 802.11 b/g/n, Wi-Fi Direct |
| Bluetooth | 4.1, A2DP, LE |
| USB | microUSB 2.0 |
| GPS | Yes, with A-GPS |
| NFC | No |
| Camera | |
| Main Camera | 8 MP, AF |
| Camera Features | LED flash |
| Video | 720p@30fps |
| Selfie Camera | 8 MP Video: 720p@30fps |
| Multimedia | |
| Radio | FM radio |
| Software | |
| Operating System (OS) | Android OS, v8.1 Oreo (Go edition) |
| Hardware | |
| CPU | Quad-core 1.3 GHz Cortex-A7 |
| GPU | Mali-400 |
| Sensors | Accelerometer |
| SIM | Dual SIM (Nano-SIM, dual stand-by) |
| Speakers | Yes |
| Audio Jack | 3.5 mm |
| Battery | |
| Battery Type | Li-Po 2200 mAh, removable |