Features: Bluetooth 5.0 / USB / 3.5mm AUX audio input, 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 supports plug-and-play operation with no driver required. Complete accessories included for immediate use upon arrival. Equipped with the TPA3116 amplifier chip, maximum output power reaches 100W (50W x 2), capable of driving most home speakers. Delivers HiFi sound with clarity and detail, with 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). Enhances audio quality while complementing home or office decor. Ideal for home and 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