The maximum range of a portable Bluetooth party speaker can vary depending on the model and the manufacturer. Generally speaking, most portable Bluetooth party speakers have a range of around 30 feet or 10 meters. However, some models can have a range of up to 100 feet or 30 meters.

The range of a portable Bluetooth party speaker refers to the distance between the speaker and the device it's paired with. When a device such as a smartphone or tablet is connected to a Bluetooth speaker, the two devices communicate wirelessly using radio waves. The range of the speaker determines how far away the device can be from the speaker while still maintaining a stable connection.

Several factors can affect the range of a portable Bluetooth party speaker. One of the most important is the strength of the Bluetooth signal. The strength of the signal can be influenced by factors such as obstacles, interference, and the power output of the speaker. If there are obstacles such as walls or other electronic devices between the speaker and the device, it can weaken the signal and reduce the range.

Another factor that can affect the range of a portable Bluetooth party speaker is the version of Bluetooth that the speaker uses. Bluetooth technology has evolved over the years, with each version providing improved range and stability. The latest version of Bluetooth, Bluetooth 5.0, provides a longer range and faster transfer speeds than previous versions.

It's also worth noting that some portable Bluetooth party speakers come with advanced features that can extend their range. For example, some models come with an extended antenna that can boost the Bluetooth signal and increase the range. Other models use proprietary technologies such as aptX or LDAC that can provide better sound quality and longer range.

In conclusion, the maximum range of a portable Bluetooth party speaker can vary from 30 feet to 100 feet, depending on the model and the manufacturer. The range of the speaker can be affected by factors such as obstacles, interference, and the version of Bluetooth used. It's essential to consider the range of a Bluetooth speaker when purchasing one to ensure that it will work for your needs.