If you're passionate about IT and electronics, like being up to date on technology and don't miss even the slightest details, buy  Portable Bluetooth Speakers Sony SRSULT30B.CE7 Black  at an unbeatable price.

Characteristics: 
Wireless
Speaker
Equaliser
2 Speakers
Type: 
Bluetooth Speakers
Universal
Portable Speaker
Colour: Black
Material: Plastic
Connections: USB-C
Battery type: Integrated
Connectivity: 
Bluetooth
Wi-Fi
Wireless
Bluetooth 5.2
Sound: Stereo
Voltage: 5 V
Power supply: USB
Frequency: 20 - 20000 Hz
Approx. autonomy: 24 hours
Frequency response: 20 Hz
Not included: Adapter AC
Battery operated: 1 Litio Ion, incluidas
Speakers: Tweeter