FEATURES
 Supported Battery specification: CR123A Li-ion battery 1000mA(Battery of this type is on
sale)
 Average Continuous Usage Time: 6h(the actual time may differ from the description out
of different using situation)
 External Power Supply: 3.7V~5V( Auxiliary 3 AA battery holder is on sale)
 Charging Interface: microUSB 5V Support computer USB charging and cell phone
charger
 Supported Motor Voltage: 3V~6V

SPECIFICATION
 Supply Voltage: 4.5-5.5V
 Battery Type: CR123A 3.6V Rechargeable Li-ion Battery
 Power Switch: 1
 Charging Current: 350mA
 Charging Time: 2.5h
 Digital Output Voltage: 0V/3.3V
 Analog Input Voltage: 0~3.3V DC
 On-board Buzzer: 1-way(PO)
 Buzzer Switch: 1
 On-board RGB: 4 WS2812B（P15）
 Motor Interface: 2-way(IIC)
 Micro: bit Interface: 9-way (P0, P1, P2, P8, P12, P13, P14, P15, P16)
 IIC Interface: 2-way
 UART Interface: 1-way
 Dimension: 61×61mm/2.40×2.40”