A: No; the school bag is a closed space, and the mobile power supply emits a lot of heat when charging the mobile phone. When the heat accumulates to a certain degree and cannot be released, the school bag is a closed space, and the mobile power supply emits a lot of heat when charging the phone. When the heat accumulates to a certain degree and cannot be released, the school bag is a closed space, and the mobile power supply emits a lot of heat when charging the mobile phone. When heat accumulates to a certain degree and cannot be released
A: Mobile power supply, built-in high-capacity polymer lithium-ion battery, output characteristics imitate computer USB port and general mobile phone charger, can be used repeatedly for charging, charging or power supply for most mobile electronic devices. Mobile electronic devices refer to mobile phones, digital cameras, game consoles, MP3, PDA, GPS, Bluetooth headsets, etc.