Features: Bluetooth 5.0, USB, and 3.5mm AUX audio input support, compatible with most common audio devices such as phones, tablets, computers, TVs, CD players, decoders, and preamps. Bluetooth 5.0 enables faster and more stable wireless transmission. USB input is plug-and-play with no driver required. Complete accessories included for immediate use upon receipt. Equipped with the TPA3116 amplifier chip, delivering a maximum output power of 100W (50W x 2), capable of driving most home speakers. High-fidelity sound with clarity and detail, producing no audible noise even at high output levels. Compact and sleek design with an aluminum case available in multiple colors (black, silver, gold, blue, red). Combines high-quality audio performance with stylish aesthetics, ideal for home or office use, and perfect for desktop audio systems. Parameters: Color: Black Bluetooth Version: 5.0 Rated Power: 50W x 2 Channels: 2.0 Impedance: 4-8 ohms Audio Input: Bluetooth, USB, 3.5mm AUX Audio Output: Banana speaker terminals Power Supply: DC 9V–24V Dimensions: 78mm (L) x 70mm (W) x 38mm (H) Net Weight: 154g Package Weight: 0.45kg Package Includes: 1 x Amplifier 1 x Audio Cable