The Harman Kardon Onyx Studio 4 HKAURAS4BLKAM Bluetooth speaker is a high-end product manufactured by Harman Kardon, a brand recognized for its sound quality and elegant design. This speaker belongs to the Harman/Kardon product range and has a specific model called the Onyx Studio 4. The speaker's battery uses lithium-ion-polymer technology, giving it a maximum runtime of 8 hours without recharging. Its dimensions are 30.25 cm in height, 26.8 cm in width and 15.95 cm in depth, with a weight of 3,295 kg. The power device is flexible with an AC power adapter and battery. The speaker's design features an integrated carry handle for easy portability. In addition, it has an elegant black finish, specifically in charcoal black, which gives it a touch of sophistication and elegance. As for connectivity, the Harman Kardon Onyx Studio 4 HKAURAS4BLKAM Bluetooth speaker has IEEE 802.11a/b/g/n/ac and Bluetooth 4.2 connectivity interfaces. These options allow you to connect wirelessly to a variety of devices, such as smartphones, tablets, and laptops. The Onyx Studio 4's speaker system has a 2-way configuration and a continuous power of 50 watts. It uses a combination of wired and wireless technology to connect with other devices. The amplification is active, which means that it has a built-in amplifier that improves the sound quality. The Harman Kardon Onyx Studio 4 HKAURAS4BLKAM Bluetooth speaker is specifically designed for portable use, making it ideal for taking anywhere, whether at home or outdoors. In short, this speaker is a high-quality product that combines elegant and sophisticated design with excellent sound quality and a wide range of connectivity options.