MCU: STM32G473CEU6
Gyro: ICM42688P
Blackbox memory: 16MB
Sensor: Voltage & Current
BEC: 5V, Max. 3A
UART: UART 1, UART 2 (For VTX), UART 3 (For RX), UART 4
BetaFlight OSD: AT7456E
ESC: 5A continuous
RX: Serial ELRS 2.4GHz (V3.4.3)
VTX: 5.8GHz 48 channels, Max. 400mW
FC firmware: Betaflight_4.5.0_BETAFPVG473
USB port: SH1.0-4Pin
Motor plug: JST1.25
Battery connector: BT2.0
Mounting hole size: 26mm x 26mm
Weight: 3.92±0.1g
ESC
Power input: 1S Only
Current: 5A continuous, 8A peak
ESC firmware: A_X_5_96KHz_V0.19.hex for BB51 Bluejay firmware
Digital signal protocol: DShot300, DShot600
VTX
Output power: 25/100/200/400/PIT
Frequency: 5.8GHz 48 channels, with Raceband: 5658~5917MHz
Channel SEL: SmartAudio2.0
Modulation type: FM
Frequency control: PLL
All harmonic: Max -50dBm
Frequency stability: ±100KHz (Typ.)
Frequency precision: ±200KHz (Typ.)
Channel carrier error: ±1.5dB
Antenna port: 50
Operating temperature: -10~+80℃
Color: Black
Material: ABS
Logistics information
Our products are located in Hong Kong, China, and the logistics speed depends on your specific location. According to our experience, it usually takes about 15-20 days of transportation time
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How to choose the correct size:
Step 1 Please measure your foot length carefully.

Step 2 Please choose the correct size according to your foot length and chinese size.
For example, If your foot length is 255 mm , you should choose the size 8.
