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
8. 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
9. has a rechargeable battery
The battery can be recharged and used over again.
63% have it
10. Can be used wirelessly
Wireless devices allow users more freedom of movement.