1. Equipped with the ESP32-S3R8 high-performance Xtensa 32-bit LX7 dual-core processor, with a main frequency of up to 240 MHz
2. Supports 2.4GHz Wi-Fi (802.11 b/g/n) and Bluetooth 5 (LE), with built-in antenna
3. Equipped with 512KB of SRAM and 384KB of ROM, and stacked 8MB PSRAM and externally connected 16MB Flash
4. Adopting the Type-C interface, enhancing the users usage convenience and device compatibility
5. Equipped with a 2.16-inch capacitive touch high-definition AMOLED screen, with a resolution of 480 x 480, 16.7M colors, capable of clearly displaying color images
6. Using AMOLED screen, featuring higher contrast, wider viewing angle, rich colors and fast response time, providing better visual effects, while having advantages such as slim design, low power consumption and flexibility
7. Equipped with the CO5300 driver chip and the CST9220 capacitive touch control chip, communicating via QSPI and I2C interfaces respectively, without occupying excessive interface pin resources
8. Equipped with a dual microphone array, capable of implementing noise reduction and echo cancellation audio algorithms, suitable for precise voice recognition and near-field/far-field voice wake-up applications
9. Equipped with the QMI8658 six-axis inertial measurement unit (3-axis acceleration, 3-axis gyroscope), capable of detecting motion posture and step-counting functions
10. Equipped with two customizable side buttons, PWR and BOOT, facilitating the development of custom functions by using the buttons
11. Equipped with a 3.7V MX1.25 lithium battery charging and discharging interface
12. AXP2101 provides an efficient power management solution, supporting multiple configurable output voltages, integrating charging and battery management functions, which helps to extend battery life
AMOLED screen parameters
1. Display panel: AMOLED
2. Display resolution: 480 x 480 pixels
3. Display brightness: 600 cd/square meter
4. Communication interface: QSPI
5. Touch: supported
6. Display size: 2.16 inches
7. Display colors: 16.7M
8. Contrast ratio: 100000:1
9. Driving IC: CO5300
10. Touch IC: CST9220