-Packaging: QFN32 (4 × four × 0.75)
-Bluetooth version: BT v5.3 dual mode
-Flash: 4Mbit
-ADC: 1 channel
-DAC: 1
-Power consumption: 7.2mA
-ENC: Single Wheat
-Low latency: 40ms
Supports Bluetooth 5.3, touch operation, and dual mode switching for music/gaming.