Medium high. According to Baidu Encyclopedia, Pinsheng charging treasure is a product of Guangdong Pinsheng Electronics Co., Ltd. Pinsheng mobile charging treasure fully supports the power supply and charging of mobile phones, PSP, MP3, MP4 players, PDA, digital learning machines and other products. Pinsheng electric cube has dual USB outputs like the electric library, which can charge two devices at the same time and is also a large-capacity mobile power supply. The self-contained folding AC plug can be directly inserted into the plug board to charge the mobile power supply.