The Smart device can charge when connected using the apple lightning or apple 30pin cable, and can’t charge when connected using the Type-C or android cable.

Note: Because the way to data transmission between The ONE piano and smart devices is through the OTG function. There is no charging function in the standard specification of OTG. At the same time, when using the OTG function, the power of smart device will flow to the external power supply, if the piano supports the charging of smart device, the circuit of smart device will be damaged