I suggest you check whether the line is aging, whether the speaker is broken and whether the network is good.

The early education machines of famous schools are all pseudo-codes. If they are not, they may be fake. This wifi learning machine is a multi-functional children's learning machine, which can be networked and chat on WeChat! Stories, music children's songs, WeChat voice chat and elementary school tutorials are all available. However, the knowledge of early education machine is limited for the baby, so it is better for parents to take their baby to a professional early education institution! You can get a more comprehensive and perfect knowledge structure!