1. First of all, mutual charging of two mobile phones refers to the situation that two mobile phones can charge each other through the cable or wireless charging function. This means that one of the phones can act as a charging host, providing charging capability for the other phone.
2. At present, there are many mobile phone brands and models that support two-way wireless charging, the most well-known of which are Apple's iphone series and Huawei's mate series. For example, the iphone 11 series and later models are equipped with wireless charging capabilities and support airpower charging cases, which can enable wireless charging between phones. Similarly, Huawei mate 20 series and later models also support wireless charging and two-way wireless charging functions.
3. When using the two-way wireless charging function, first make sure that both phones support the function and have the wireless charging option turned on. Then, place the two phones on the back of each other to make sure their wireless charging areas touch. In this way, one of the phones will act as the charging host, while the other phone will receive the charging. In this way, the two phones can charge each other to meet the demand for low power.
To sum up, the mutual charging of two mobile phones refers to the realization of wireless charging function, in which one mobile phone acts as a charging host to provide charging ability for the other mobile phone. At present, mobile phone brands such as Apple's iphone series and Huawei's mate series support two-way wireless charging. When in use, make sure both phones support the feature and turn on the wireless charging option, then tape them back to back for wireless charging.
Based on the information you have provided, it is not possible to determine the specific phone model. However, there are many phones on the market that support two-way wireless charging, which means they can charge each other. For example, Apple's iPhone 11 series and iPhone 12 series and Samsung's Galaxy S21 series support this feature. By enabling this feature, you can put one phone on another phone to charge, thus achieving the effect of mutual charging. The emergence of this feature makes charging between mobile phones more convenient and flexible.
There are some mobile phones on the market that support wireless reverse charging and can charge each other. Among the more well-known brands are Huawei, Xiaomi and Samsung.
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Some of Huawei's phone models, such as the Huawei Mate 20 Pro, Huawei P30 Pro and Huawei Mate 30 Pro, support wireless reverse charging.
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Some of Xiaomi's phone models, such as the Mi 9, Mi 9 Pro and Mi 10, also support wireless reverse charging.
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Some of Samsung's phone models, such as the Samsung Galaxy S10, Samsung Galaxy S20 and Samsung Galaxy Note 10, also support wireless reverse charging.
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It should be noted that the charging method and compatibility of different mobile phone models may be different, the specific charging function and operation method can refer to the mobile phone manual or official website.
oppoReno4, Reno5 can be used, with reverse charging function.