OLED display, no need backlight, self-illumination, the display performance is better than the traditional LCD display, also lower consumption.
Driver IC: SSD1306
Size: 0.91 inch OLED
Resolution: 128 x 32
IIC interface
Display Color: Blue
Specifications
Separate analog, digital, and IO power supply
Serial data and control interface (SPI)
1 headphone and audio output interface
1 microphone for recording, support audio encoding format
1 line input interface; supports MP3 and WAV stream
Nominal Voltage 3.7V
Charge Voltage 4.2V
Cut-off Voltage 2.75V
Capacity 1200mAh
Diameter 18.4mm
Height 65.0mm
Temperature Charge: 0°C ~ 45°C
Discharge: -20°C ~ 60°C
Storage: -20°C ~ 30°C
Humidity: 65±20%
Cycle life >500 times
Standard charge current 0.5C
Fast charge current 1C
Max discharge current 1C
OEM customize wires/connector/solder tabs/battery packs
Packing traying packing or in small boxes
Certificate CE, ROHS, MSDS
Specification:
* Quad-Band 850 / 900/ 1800 / 1900 MHz - would work on GSM networks in all countries across the world.
* GPRS multi-slot class 10/8
* GPRS mobile station class B
* Compliant to GSM phase 2/2+
* Class 4 (2 W 850 / 900 MHz)
* Class 1 (1 W 1800 / 1900MHz)
