Introducing the Koolnee Rainbow Dual SIM 3G, released in 2018 Mar. Designed by Koolnee and manufactured by Koolnee, this Smartphone is ideal for those who value .
The device features a Color IPS TFT LCD display with a size of and a resolution of providing a pixel density of 294 PPI PPI. It operates on ensuring smooth performance with its clocked at 1300 MHz.
Noteworthy attributes include:
- Storage and Memory: 1024 MiB RAM, supported by a 7629 MiB non-volatile internal storage.
- Camera Capabilities: 3264x2448 pixel main sensor, capable of recording videos at .
- Connectivity and Extras: with support for bands and advanced connectivity through and .
- Power: Equipped with a battery, offering a capacity of 2400 mAh battery.
Available in regions including at a price of .
More on Rainbow Dual SIM 3G
Full Specifications of Rainbow Dual SIM 3G
| Brand | Koolnee |
| Model | Rainbow Dual SIM 3G |
| Brief | Koolnee Rainbow is a global low-budget smartphone with dual cameras and 3G cellular support. |
| Released | 2018 Mar |
| Announced | 2018 Feb 1 |
| Hardware Designer | Koolnee |
| Manufacturer | Koolnee |
| General Extras | Haptic touch feedback |
| Device Category | Smartphone |
| List of Additional Features |
DSLR quality camera |
| Width |
71.8 mm 2.83 inch |
| Height |
146.5 mm 5.77 inch |
| Depth |
9.3 mm 0.37 inches |
| Bounding Volume | 97.8 ccm |
| Mass |
157 g 5.54 ounces |
| Platform | Google Android |
| Operating System | Google Android 8.1 Oreo Go edition (Oreo) |
| Software Extras | Navigation software |
| CPU Clock | 1300 MHz |
| CPU |
MediaTek MT6580 2,015 32 bit quad-core ARM Mali-400 GPU |
| RAM Type |
mobile (LP) DDR3 SDRAM 533 MHz |
| RAM Capacity | 1024 MiB RAM |
| Non-volatile Memory Type | Flash EEPROM |
| Non-volatile Memory Interface | eMMC 4.5 |
| Non-volatile Memory Capacity | 7629 MiB non-volatile |
| Display Diagonal |
127 mm 5 inch |
| Resolution |
720x1280 921600 pixels |
| Display Width |
62.26 mm 2.45 inch |
| Display Height |
110.69 mm 4.36 inch |
| Horizontal Full Bezel Width | 9.54 mm |
| Display Area | 6891.9 square millimeter |
| Display Area Utilization | 65.5% |
| Pixel Size | 0.08648 mm/pixel |
| Pixel Density | 294 PPI |
| Display Type | Color IPS TFT LCD display |
| Display Color Depth | 24 bit/pixel |
| Number of Display Scales | 16.8M |
| Display Dynamic Range Depth | 8 bit/pixel |
| Display Illumination | LED |
| Display Light Reflection Mode | Yes |
| Display Subpixel Scheme | RGB Matrix (3 subpixels) |
| Scratch Resistant Screen | Yes |
| Graphical Controller | ARM Mali-400MP |
| GPU Clock: | 500 MHz |
| A/V Out | No |
| Audio Channel(s) | stereo |
| Microphone(s) | mono |
| Loudspeaker(s): | mono |
| Audio Output: | 3.5mm |
| Supported Cellular Bands |
GSM 850MHz (B5) GSM 900MHz (B8) GSM 1800MHz (B3) GSM 1900MHz (PCS, B2) UMTS 2100MHz (Band I, IMT) UMTS 850MHz (Band V, CLR) UMTS 900MHz (Band VIII) bands |
| Supported Cellular Data Links |
GPRS (Class unspecified) EDGE (Class unspecified) UMTS 384 kbps (W-CDMA) HSUPA (Cat. unspecified) HSDPA (Cat. unspecified) HSPA+ 21.1 Mbps (Cat. 18) data links |
| SIM Card Slot | Micro-SIM (3FF) |
| Cellular Antenna | Internal antenna |
| Call Alert Sound | 64-chord melody |
| Complementary Phone Services |
Voice transmission Voice speaker Vibrating Alert Speakerphone |
| Cellular Controller | MediaTek MT6580A |
| Dual Cellular Network Operation | Dual standby |
| Sec. Supported Cellular Networks: |
GSM 850MHz (B5) GSM 900MHz (B8) GSM 1800MHz (B3) GSM 1900MHz (PCS, B2) UMTS 2100MHz (Band I, IMT) UMTS 850MHz (Band V, CLR) UMTS 900MHz (Band VIII) |
| Sec. Supported Cellular Data Links: |
GPRS (Class unspecified) EDGE (Class unspecified) UMTS 384 kbps (W-CDMA) HSUPA (Cat. unspecified) HSDPA (Cat. unspecified) HSPA+ 21.1 Mbps (Cat. 18) |
| Sec. SIM Card Slot |
Micro-SIM (3FF) Internal antenna |
| Sec. Phone Controller IC: | MediaTek MT6580A |
| Touchscreen Type | Capacitive multi-touch sensing screen |
| Touchscreen Simultaneous Touch Points | Yes |
| Expansion Interfaces |
TransFlash microSD microSDHC |
| USB |
USB 2.0 USB Hi-Speed (480 Mbps) |
| USB Services | USB charging |
| USB Connector | USB Series Micro-B (Micro-USB) |
| Bluetooth |
Bluetooth 4.0 Internal antenna |
| Bluetooth profiles |
A2DP AVRCP |
| Wireless LAN |
IEEE 802.11b IEEE 802.11g IEEE 802.11n Internal antenna |
| Wireless Services | Wi-Fi Tethering |
| FM Radio Receiver |
FM radio (88-108 MHz) Proprietary headset as antenna |
| Supported GPS protocol(s) | GPS (NMEA 0183) |
| Satellite Antenna: | Internal antenna |
| Complementary Satellite Services |
Assisted GPS Geotagging |
| Navigation Controller | MediaTek MT6580A |
| Camera Placement | Rear |
| Camera Image Sensor | CMOS |
| Camera Resolution | 3264x2448 pixel |
| Number of effective pixels | 8.0 MP camera |
| Zoom | 1.0 x optical zoom |
| Focus | Contrast Detection Autofocus (CD AF) |
| Recordable Image Formats |
JPG 30 fps |
| Recordable Video Formats |
3GP MPEG4 |
| Flash | dual LED |
| Camera Extra Functions |
HDR photo Burst mode Panorama Photo |
| Aux. Camera Image Sensor | No |
| Aux. 2 Camera Image Sensor | No |
| Aux. 3 Camera Image Sensor | No |
| Aux. 4 Camera Image Sensor | No |
| Aux. 4 Camera Focus | No |
| Secondary Camera Placement | Front |
| Secondary Camera Sensor | CMOS |
| Secondary Camera Resolution | 2560x1920 pixel |
| Secondary Camera Number of pixels | 4.9 MP sec. cam |
| Secondary Recordable Image Formats |
JPG 30 fps |
| Secondary Recordable Video Formats | 3GP |
| Secondary Camera Extra Functions |
Burst mode Face detection Face retouch |
| Sec. Aux. Cam. Image Sensor | No |
| Sec. Aux. 2 Cam. Image Sensor | No |
| Built-in accelerometer | Yes |
| Additional sensors |
Light intensity sensor Proximity sensor |
| Protection from solid materials | Yes |
| Protection from liquids | Yes |
| Battery |
Lithium-ion built-in 1-cell |
| Nominal Cell Capacity (1st cell) | 2400 mAh cell |
| Nominal Battery Capacity | 2400 mAh battery |
| Market Countries |
Australia China France Germany India Italy Poland Russia Spain UK |
| Market Regions |
Australia Europe Southeast Asia Worldwide |