There is a control panel on the device body, so you can easily access the volume control or remote without having to interact with a cable or another device it's connected to.
A speaker driver is an individual transducer that converts electrical energy to sound waves. More drivers may result in better sound quality.
Vifa Stockholm 2.0
Meridian Explorer 2
Device is protected with extra seals to prevent failures due to any kind of weather.
Soundmatters FoxL DASH7
Meridian Explorer 2
Devices with stereo speakers deliver sound from independent channels on both left and right sides, creating a richer sound and a better experience.
Jarre Technologies AeroBull HD1
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.
Devices with a subwoofer have a higher quality, deeper bass.
More microphones result in better sound quality and enable the device to filter out background noise.
Amazon Echo Show
An indicator shows you when the device has low battery.
The battery can be recharged and used over again.
The time it takes to fully charge the battery.
WOWee One Slim
The device's battery life (when in use) as given by the manufacturer. With a longer battery life you have to charge the device less often.
Lava Brightsounds 2
The battery is removable and can be replaced by the user if broken.
Bluesound Pulse 2i
With a standard mini jack socket, you can use the device with most headphones.
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.
With more USB ports, you are able to connect more devices.
The Apple dock connector is a proprietary 30-pin connector that is common to Apple devices (iPods, iPhones and iPads) predating the Lightning connector. Allows you to connect older Apple devices, play music and at the same time charge it.
Ion Audio Water Rocker
Lightning is a proprietary computer bus and power connector created by Apple Inc. It allows you to easily plug your iPhone 5, iPod Touch (5th gen.), iPod Nano (7th gen.), iPad (4th gen.), and iPad Mini into the device, play music and at the same time charge it.
Jarre Technologies AeroBull HD
Wireless devices allow users more freedom of movement.
You can use your voice to control key functions of the device and you can easily access your device without pushing any button.