Features: Bluetooth 5.0, USB, and 3.5mm AUX input support, compatible with most common 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 noise even at high output levels. Compact mini design with an elegant appearance. Aluminum case available in multiple colors (black, silver, gold, blue, red), ideal for enhancing your home or office environment. Perfect 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 Input: Bluetooth, USB, 3.5mm AUX 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