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
10. has an AUX input
An auxiliary input allows you to play other audio sources by connecting them through a simple audio connection like a 3.5mm jack, i.e for MP3 or portable DVD/CD player.
84% have it
11. Has WiFi
The device can connect to WiFi.
45% have it
12. Weather sealed
Device is protected with extra seals to prevent failures due to any kind of weather.
16% have it
13. maximum bluetooth range
The device can connect at a greater distance via bluetooth / infrared to another device.