Device supports fast Bluetooth pairing using NFC so it can communicate with other devices over Bluetooth. You can fastly pair devices without entering a code by simply holding one device next to the device with which it is to be paired.
27% have it
9. is an active speaker
An amplifier is integrated into the device. An audio amplifier takes a small signal and makes it bigger without making any other changes in it which results in better sound, so any sound source can be connected to speakers.
65% have it
10. Has WiFi
The device can connect to WiFi.
45% have it
11. maximum bluetooth range
The device can connect at a greater distance via bluetooth / infrared to another device.