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
12. Has WiFi
The device can connect to WiFi.
45% have it
13. maximum bluetooth range
The device can connect at a greater distance via bluetooth / infrared to another device.
Wireless devices allow users more freedom of movement.
79% have it
17. has a mute function
The device has an option to mute/unmute a conversation directly from the device.
14% have it
18. wireless charging
The manufacturer offers a branded wireless charging kit. To charge the device, you simply put it down on its charging base.
23% have it
19. supports Ethernet
Ethernet is a local area network technology.
9% have it
20. no battery needed
This device works without batteries. It weighs less and you don't have to worry about recharging or replacing the battery.
26% have it
21. has AirPlay
AirPlay allows wireless connection of Apple devices with external screens or speakers. You may stream computer screen, video and music from iOS devices, play games like on consoles or present your slideshows easily on your TV.