| Brand: | Blu |
| Model: | J4 |
| Type: | Smartphone |
| Release Date: | 2019 |
| Size: | 5.5 inches, 78.1 cm2 |
| Resolution: | 720 x 1440 pixels, 18:9 ratio (~293 ppi density) |
| Technology: | IPS LCD |
| Main Specs: | 8 MP, AF |
| Main Features: | LED flash |
| Main Video: | 720p@30fps |
| Selfie Specs: | 8 MP |
| Selfie Video: | 720p@30fps |
| Capacity: | 2200 mAh |
| Type: | Li-Po |
| Cpu: | Quad-core 1.3 GHz Cortex-A7 |
| Gpu: | Mali-400 |
| Ram: | 1GB |
| Storage: | 32GB |
| Expandable: | microSDXC |
| Os: | Android 8.1 Oreo (Go edition) |
| Dimensions: | 151 x 72.3 x 10 mm (5.94 x 2.85 x 0.39 in) |
| Weight: | 158 g (5.57 oz) |
| Sim: | Nano-SIM + Nano-SIM |
| Wifi: | Wi-Fi 802.11 b/g/n, Wi-Fi Direct |
| Bluetooth: | 4.1, A2DP, LE |
| Nfc: | No |
| Usb: | microUSB 2.0 |
| Headphone Jack: | Yes |
| Network: | GSM / HSPA |
| Sensors: | Accelerometer |
| Colors: | Blue, Black, Brown |
| Usd: | ~76 USD |
