The full name of the product is Raspberry Pi 3 Model A+, referred to as RPi3 A+. Compared to 3B+, the USB hub and Ethernet controller are removed, and the volume is smaller and the price is lower. It is compatible with 1 generation A+.
On the hardware side, my parameters are as follows:
BCM2837B0512MB memory
64-bit 1.4GHz quad-core ARM Cortex-A53
IEEE 802.11.b/g/n/ac dual-band 2.4GHz/5GHz wireless network card
Bluetooth Low Energy 4.2 (BLE)
HDMI interface
USB 2.0 interface
MicroSD card slot
3.5 mm audio output interface
40PIN GPIO interface
CSI camera interface
DSI display interface
Upgraded power management system to use more power-hungry peripherals (powered by 5V/2.5A or more)
1X Raspberry Pi3 Model A+