the alphatronicsPlay 4 is a 175 g lightweight and foldable headphone.
Thanks to its integrated battery, you can listen to up to 16 hours of music.
The headphone is charged simply via a USB port.
The wireless connection via Bluetooth is free of tangled cables.
It can also be used with other Bluetooth-enabled devices (e.g. mobile phones or MP3 players).
It can even be used as a headset when making phone calls thanks to its built-in microphone.
The volume control is possible on the headphones.
In addition, it has AUX In and a switch for On/Off.