How to use QCY T13? QCY T13 Instruction

QCY, a brand under Dongguan Hele Electronics Co., Ltd. established in 2009, has various brand portofolios including TW, portable sport and mono.QCY, a brand under Dongguan Hele Electronics Co., Ltd. established in 2009, has various brand portofolios including TW, portable sport and mono.QCY, a brand under Dongguan Hele Electronics Co., Ltd. established in 2009, has various brand portofolios including TW, portable sport and mono.QCY, a brand under Dongguan Hele Electronics Co., Ltd. established in 2009, has various brand portofolios including TW, portable sport and mono.QCY, a brand under Dongguan Hele Electronics Co., Ltd. established in 2009, has various brand portofolios including TW, portable sport and mono.QCY, a brand under Dongguan Hele Electronics Co., Ltd. established in 2009, has various brand portofolios including TW, portable sport and mono.QCY, a brand under Dongguan Hele Electronics Co., Ltd. established in 2009, has various brand portofolios including TW, portable sport and mono.